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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.

A265003 Number of nX6 arrays of permutations of 6 copies of 0..n-1 with rows and columns nondecreasing.

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%I A265003 #3 Nov 29 2015 16:07:09
%S A265003 1,4,41,846,27000,1268728,76714325,5732148226,507120480166,
%T A265003 51689513352516
%N A265003 Number of nX6 arrays of permutations of 6 copies of 0..n-1 with rows and columns nondecreasing.
%C A265003 Column 6 of A265005.
%e A265003 Some solutions for n=4
%e A265003 ..0..0..0..1..1..2....0..0..0..1..2..2....0..0..0..1..1..1....0..0..0..1..1..2
%e A265003 ..0..1..1..1..2..3....0..1..1..1..2..2....0..0..0..1..1..2....0..1..1..1..1..2
%e A265003 ..0..1..2..2..3..3....0..1..1..2..3..3....1..2..2..2..3..3....0..2..2..3..3..3
%e A265003 ..0..2..2..3..3..3....0..2..3..3..3..3....2..2..3..3..3..3....0..2..2..3..3..3
%Y A265003 Cf. A265005.
%K A265003 nonn
%O A265003 1,2
%A A265003 _R. H. Hardin_, Nov 29 2015

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