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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.

A217546 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nX7 array.

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%I A217546 #5 Jul 22 2025 23:40:48
%S A217546 163,163,26569,431241,15130953,404884061,12094757481,346695485697,
%T A217546 10077786323603,291384560664827,8443518320304783,244493759805948271,
%U A217546 7081616324771335757,205091765825502926741,5939929092602886694613
%N A217546 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nX7 array.
%C A217546 Column 7 of A217547
%e A217546 Some solutions for n=3
%e A217546 ..2..1..1..1..1..0..0....0..0..1..1..1..1..2....0..0..2..1..1..1..2
%e A217546 ..0..0..1..1..1..0..0....0..0..1..1..1..0..0....0..0..0..0..1..1..1
%e A217546 ..0..0..1..2..1..0..0....2..2..2..2..1..0..0....0..0..0..0..2..1..1
%K A217546 nonn
%O A217546 1,1
%A A217546 _R. H. Hardin_ Oct 06 2012

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