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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.

A367997 Denominator of the least probability that a particular free polyomino with n cells appears as the image of a simple random walk on the square lattice.

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%I A367997 #4 Dec 21 2023 15:40:47
%S A367997 1,1,3,21,91,291291,17574557,1433685253,2819787,14870951705,
%T A367997 124958680680282,3525784478869018946300814,27359333221
%N A367997 Denominator of the least probability that a particular free polyomino with n cells appears as the image of a simple random walk on the square lattice.
%C A367997 a(n) is the denominator of the minimum of A367994/A367995 over the n-th row. See A367994 for details.
%H A367997 Pontus von Brömssen, <a href="/A367996/a367996.svg">Illustration of all least probable polyominoes with at most 13 cells</a>.
%H A367997 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y A367997 Cf. A367994, A367995, A367996 (numerators), A367999, A368003.
%K A367997 nonn,frac,more
%O A367997 1,3
%A A367997 _Pontus von Brömssen_, Dec 08 2023

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