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A265004 Number of nX7 arrays of permutations of 7 copies of 0..n-1 with rows and columns nondecreasing.

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%I A265004 #3 Nov 29 2015 16:07:31
%S A265004 1,4,54,1720,97341,8360853,1001060834,155796077603,30055866217955
%N A265004 Number of nX7 arrays of permutations of 7 copies of 0..n-1 with rows and columns nondecreasing.
%C A265004 Column 7 of A265005.
%e A265004 Some solutions for n=4
%e A265004 ..0..0..0..0..0..0..2....0..0..0..0..0..0..1....0..0..0..1..1..2..2
%e A265004 ..0..1..1..1..1..2..2....0..1..1..2..2..2..2....0..0..1..1..1..2..2
%e A265004 ..1..1..2..2..3..3..3....1..1..1..2..2..2..3....0..1..1..2..2..3..3
%e A265004 ..1..2..2..3..3..3..3....1..3..3..3..3..3..3....0..2..3..3..3..3..3
%Y A265004 Cf. A265005.
%K A265004 nonn
%O A265004 1,2
%A A265004 _R. H. Hardin_, Nov 29 2015

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