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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.

A200857 Number of nX7 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.

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%I A200857 #6 Jul 22 2025 15:59:02
%S A200857 1957,586908,144195756,31197299012,6255225014290,1191594088382132
%N A200857 Number of nX7 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.
%C A200857 Column 7 of A200858
%e A200857 Some solutions for n=3
%e A200857 ..0..0..0..0..0..0..2....0..0..0..0..0..1..2....0..0..0..0..1..1..4
%e A200857 ..0..0..0..4..1..1..4....0..0..0..0..1..1..3....0..0..0..3..1..1..4
%e A200857 ..0..0..0..4..3..2..4....0..0..0..2..3..4..3....0..0..0..4..1..2..4
%K A200857 nonn
%O A200857 1,1
%A A200857 _R. H. Hardin_ Nov 23 2011

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