Natalia L. Skirrow Add us as a preferred source on Google

Mastodon @dronebetter@mathstodon.xyz

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Account age

1 yrs

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Known for

amusingly, one can tell whether PSLQ has found the right minpoly by checking the shape of the one it's found, because it tries to minimise the magnitude of the largest coefficient (so the vector it incorrectly guesses has all components about the same size), whereas the polynomial itself has log-concave coefficients (so the line of intervals moiréed by screen-wrapping is cubicish instead of linear

1 views amusingly, one can tell whether PSLQ has found the right minpoly by checking the shape of the one it's found, because it tries to minimise the magnitude of the largest coefficient (so the vector it incorrectly guesses has all components about the same size), whereas the polynomial itself has log-concave coefficients (so the line of intervals moiréed by screen-wrapping is cubicish instead of linear

📊 Post engagement

Avg engagement / post

20%

Engagement vs followers

Sep 2025

On Mastodon since

🔥 Top post: amusingly, one can tell whether PSLQ has found the right minpoly · 1 likes + reposts

📊 Activity & format

Posting cadence

0.32 / week

A lower-frequency account — each post lands with more weight.

Content mix

Mostly text

Recent: 10 text · 1 image · 0 video.

Follower / following

0.5×

Follows 10 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗

🔥 Top post amusingly, one can tell whether PSLQ has found the right minpoly by checking the shape of the one it's found, because it tries to minimise the magnitude of the largest coefficient (so the vector it incorrectly guesses has all components about the same size), whereas the polynomi… ★ 1

hey @ColinTheMathmo, can we have support for monospaced code blocks (maybe even syntax highlighting; I've found https://prismjs.com/ quite pleasant in my website) for posts such as https://mathstodon.xyz/@dronebetter/116493282702930595? @peterluschny hello my dear friend and correspondent who can contribute to the OEIS at an unbounded rate 🙂 in this math.se answer https://math.stackexchange.com/a/5134957 i obtained \[{A122252(n)\over A122253(n)}=(n-1)!\Big((n+1)\overline … @peterluschny hello! as you know, i have a draft open on https://oeis.org/A339262 (the volume of the 10-vertex polyhedron inscribed in unit sphere which was conjectured to maximise volume (by Sloane et al. and Hugo Pfoertner via computer s… @peterluschny btw I have written a question https://math.stackexchange.com/questions/5131153/decomposing-the-binomial-moments-of-distinct-faces-seen-rolling-n-sided-die on a problem that arose while writing https://oeis.org/draft/A259334 l… @11011110 do you have any update upon your [MathML considered harmful](https://11011110.github.io/blog/2015/08/04/mathml-considered-harmful.html) post on what wikis should use? because the OEISwiki has just updated their MediaWiki version … ★ 1 btw @ColinTheMathmo what is the LaTeX implementation used here? it is better than most I have used even excluding the convert-to-Unicode feature; it seems every other one is deficient in some regard that breaks compatibility even for small… friend explained it to me as follows (minorly edited): Use the "coloring a coin" counting trick. Pick a single coin 𝑖∈[𝑛] as "special". Then we have \[\mathbb E[X_n^k|B_i=0]=\mathbb E[X_{n-1}^k],\quad\mathbb E[X_n^k|B_i=1]=\mathbb E[(X_{n-… also note that it comes immediately from matching up coefficients of the representation \[E[X_n^k]=\sum_{i=0}^k{k\brace i}n^\underline ip^i\] as a power series in 𝑝 (which is equivalent to the first formulation by considering the function… does anyone know of a simple combinatorial formulation of moments that explains this result/makes it 'obvious'? let 𝑋ₙ be the number of heads from flipping a 𝑝(=1−𝑞)-weighted coin 𝑛 times; we have \[E[X_n^{k+1}]=n\left(E[X_n^k]-qE[X_{n-1}^… @Usernamez hello you may recall you made https://oeis.org/A338888, a(n) = (a(n-1)|a(n-2))+1, in 2020 I have now added https://oeis.org/A385674 which has the kth column begin with k 0s, then a(n,k) = (a(n-1,k)|a(n-2,k)|...|a(n-k,k))+1 if yo… ★ 1

🐘 Community & instance

Home server

mathstodon.xyz

Their home server on the fediverse — the instance a creator picks signals the community they belong to.

On Mastodon since

Sep 2025

An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2025 — 1 year ago.

👁️Averages 1 views per post.

📤Posts about 0.3× per week.

🕵️ Fake follower check

Estimated

71/100

Good Credibility score

92%

Real Real audience

Low Fake-follower risk

Medium Data confidence

Est. 92% real, active audience · Low fake-follower risk.
Strong engagement (~0.2× of followers engage each post) — an active, real audience.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

I am https://oeis.org/wiki/User:Natalia_L._Skirrow (here to talk with fellow OEISers)

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Jeff G 18%

かす 15%

Ykion 14%

Lexin 13%

Mortylen 13%

Kulturfolger 10%

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Jeff G

@jcglover@techhub.social

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Known for

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📊 Activity & format

Recent posts

🐘 Community & instance

💡 Facts

🕵️ Fake follower check

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