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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.

A201070 Number of nX6 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

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%I A201070 #6 Jul 22 2025 16:04:43
%S A201070 7,972,50334,1127514,11512566,45244488,76714325,4070916182,
%T A201070 93433967419,1001816580924,5795448454236,18395210387740,
%U A201070 28907664595262,18988731471112,524722518340932
%N A201070 Number of nX6 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
%C A201070 Column 6 of A201072
%e A201070 Some solutions for n=3
%e A201070 ..0..0..1..2..3..5....0..1..1..1..3..3....0..0..1..2..3..4....0..0..1..1..2..4
%e A201070 ..1..2..3..4..4..6....0..2..3..4..5..6....0..1..3..3..5..5....0..3..3..4..5..5
%e A201070 ..1..2..4..5..5..6....2..2..4..5..5..6....2..2..4..6..6..6....2..4..5..6..6..6
%K A201070 nonn
%O A201070 1,1
%A A201070 _R. H. Hardin_ Nov 26 2011

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