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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.

A184475 1/6 the number of (n+2)X9 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last.

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%I A184475 #6 Jul 22 2025 09:35:51
%S A184475 559305,645837,747735,878625,1219455,1782585,2909367
%N A184475 1/6 the number of (n+2)X9 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last.
%C A184475 Column 7 of A184477
%e A184475 Some solutions with a(1,1)=0 for 4X9
%e A184475 ..0..1..2..2..0..2..2..1..1....0..1..1..2..1..1..0..2..1
%e A184475 ..0..1..1..2..0..1..2..1..0....0..1..0..2..1..0..0..1..0
%e A184475 ..0..1..0..2..0..0..2..1..2....0..2..1..2..2..1..0..1..1
%e A184475 ..0..1..2..2..0..2..2..1..1....0..1..1..2..1..1..0..2..1
%K A184475 nonn
%O A184475 1,1
%A A184475 _R. H. Hardin_ Jan 15 2011

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