cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A366005 Number of free polyominoids with n cells, allowing right-angled corner-connections and any edge-connections.

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%I A366005 #10 Nov 04 2023 18:25:14
%S A366005 1,3,29,457,10378
%N A366005 Number of free polyominoids with n cells, allowing right-angled corner-connections and any edge-connections.
%C A366005 See A365995 for further details and a table of related sequences.
%H A366005 Pontus von Brömssen, <a href="/A366005/a366005.svg">Illustration for sizes 1..3</a>.
%H A366005 Wikipedia, <a href="https://en.wikipedia.org/wiki/Polyominoid">Polyominoid</a>.
%H A366005 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y A366005 Cf. A365995, A366006 (fixed).
%Y A366005 26th row of A366766.
%K A366005 nonn,hard,more
%O A366005 1,2
%A A366005 _Pontus von Brömssen_, Sep 28 2023

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