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.

A232373 Number of nX5 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.

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%I A232373 #7 Jul 23 2025 07:22:07
%S A232373 14,1130,32722,927706,27133338,789866870,22946925502,667514680522,
%T A232373 19413840326186,564595278464614,16420169035941450,477546295651389890,
%U A232373 13888417395173915122,403915461426343969950,11747031027223155160682
%N A232373 Number of nX5 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.
%C A232373 Column 5 of A232376
%H A232373 R. H. Hardin, <a href="/A232373/b232373.txt">Table of n, a(n) for n = 1..210</a>
%H A232373 R. H. Hardin, <a href="/A232373/a232373.txt">Empirical recurrence of order 64</a>
%F A232373 Empirical recurrence of order 64 (see link above)
%e A232373 Some solutions for n=3
%e A232373 ..3..1..2..3..2....0..3..0..1..2....3..2..3..2..3....3..0..3..2..1
%e A232373 ..3..1..2..1..2....2..1..2..3..2....3..2..1..0..3....1..0..3..0..1
%e A232373 ..3..1..0..3..2....2..3..2..3..2....1..0..1..2..3....3..2..1..0..3
%K A232373 nonn
%O A232373 1,1
%A A232373 _R. H. Hardin_, Nov 23 2013