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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.

A239339 Number of nX7 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 A239339 #6 Jun 02 2025 09:26:39
%S A239339 368,152260,54774178,19117551262,6693244281896,2331550702010844,
%T A239339 808844678734652790,280328352590045292898,97098324777969236740601,
%U A239339 33612953785570810824523855,11632488891977131786485508436
%N A239339 Number of nX7 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 A239339 Column 7 of A239340
%H A239339 R. H. Hardin, <a href="/A239339/b239339.txt">Table of n, a(n) for n = 1..210</a>
%e A239339 Some solutions for n=2
%e A239339 ..2..1..2..0..1..0..1....0..2..0..0..2..2..2....2..0..2..0..0..0..0
%e A239339 ..3..1..2..1..1..0..3....0..0..2..0..2..2..2....3..2..3..2..0..1..1
%K A239339 nonn
%O A239339 1,1
%A A239339 _R. H. Hardin_, Mar 16 2014

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