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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.

A220152 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.

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%I A220152 #5 Jul 23 2025 00:53:47
%S A220152 28,197,2841,53947,1272216,32566283,822242009,19788620178,
%T A220152 451988194616,9825625746882,204030760833450,4061291243187050,
%U A220152 77745303520858839,1435301691794275091
%N A220152 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.
%C A220152 Column 7 of A220153
%e A220152 Some solutions for n=3
%e A220152 ..1..1..1..1..0..0..0....1..1..1..1..0..0..0....2..1..1..1..1..0..0
%e A220152 ..1..0..0..0..1..0..0....1..1..1..1..1..0..0....2..2..2..1..1..0..1
%e A220152 ..1..0..0..0..0..0..2....2..1..1..1..1..0..0....2..2..2..2..2..0..0
%K A220152 nonn
%O A220152 1,1
%A A220152 _R. H. Hardin_ Dec 06 2012

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