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.

A231854 Number of nX7 0..2 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).

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%I A231854 #6 Jun 02 2025 08:48:21
%S A231854 144,11159,11529929,10582191628,9669634711179,8834385550338284,
%T A231854 8071247819035667716,7374031793933846572072,6737043309310397086712007,
%U A231854 6155079609468787512765196641,5623387483230350498450778517294
%N A231854 Number of nX7 0..2 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).
%C A231854 Column 7 of A231855
%H A231854 R. H. Hardin, <a href="/A231854/b231854.txt">Table of n, a(n) for n = 1..210</a>
%e A231854 Some solutions for n=2
%e A231854 ..0..2..1..0..0..1..2....0..0..0..0..0..0..0....0..2..2..1..0..2..2
%e A231854 ..2..1..0..0..1..1..1....0..0..1..0..0..1..2....1..1..1..0..2..2..2
%K A231854 nonn
%O A231854 1,1
%A A231854 _R. H. Hardin_, Nov 14 2013