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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.

A201030 Number of nX5 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

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%I A201030 #6 Jul 22 2025 16:03:53
%S A201030 8,159,3602,96844,2579473,78447852,2410888256,76028824895,
%T A201030 2398729474454
%N A201030 Number of nX5 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
%C A201030 Column 5 of A201033
%e A201030 Some solutions for n=3
%e A201030 ..0..0..2..2..1....0..0..2..1..2....0..0..0..1..2....0..0..0..1..3
%e A201030 ..0..1..4..3..2....0..2..4..3..3....1..1..3..3..4....1..1..4..3..3
%e A201030 ..1..4..3..4..3....1..1..3..4..4....2..2..4..4..3....2..2..2..4..4
%K A201030 nonn
%O A201030 1,1
%A A201030 _R. H. Hardin_ Nov 26 2011

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