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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.

A200855 Number of nX5 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.

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%I A200855 #6 Jul 22 2025 15:58:48
%S A200855 297,20656,1194898,61846403,3001883019,139139776965,6255225014290,
%T A200855 274516401002582,11809166397959784,499226777653438730,
%U A200855 20791732909081189037
%N A200855 Number of nX5 0..4 arrays with every row and column running average nondecreasing rightwards and downwards.
%C A200855 Column 5 of A200858
%e A200855 Some solutions for n=3
%e A200855 ..0..0..0..0..0....0..0..0..1..4....0..0..1..2..1....0..0..0..0..1
%e A200855 ..0..0..4..3..3....1..1..1..3..4....0..1..1..3..3....0..0..1..3..2
%e A200855 ..1..1..4..2..4....1..1..2..3..4....1..1..2..4..4....0..0..1..4..2
%K A200855 nonn
%O A200855 1,1
%A A200855 _R. H. Hardin_ Nov 23 2011

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