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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.

A239338 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4.

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%I A239338 #6 Jun 02 2025 09:26:32
%S A239338 156,27861,4360887,663249556,101276030555,15397080750829,
%T A239338 2331550702010844,352742924096563362,53342694175522093768,
%U A239338 8062792674253914737279,1218391421349788433734529
%N A239338 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4.
%C A239338 Column 6 of A239340
%H A239338 R. H. Hardin, <a href="/A239338/b239338.txt">Table of n, a(n) for n = 1..210</a>
%e A239338 Some solutions for n=2
%e A239338 ..2..0..0..1..2..1....0..2..0..2..0..0....2..0..0..1..2..0....2..1..2..1..2..0
%e A239338 ..2..0..1..1..3..3....0..3..2..0..1..1....3..2..0..3..2..1....0..3..2..3..0..2
%K A239338 nonn
%O A239338 1,1
%A A239338 _R. H. Hardin_, Mar 16 2014

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