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A265002 Number of nX5 arrays of permutations of 5 copies of 0..n-1 with rows and columns nondecreasing. 0

%I #3 Nov 29 2015 16:06:45

%S 1,3,21,261,4919,120096,3558888,123026475,4817478608,209081118730,

%T 9892111117243

%N Number of nX5 arrays of permutations of 5 copies of 0..n-1 with rows and columns nondecreasing.

%C Column 5 of A265005.

%e Some solutions for n=4

%e ..0..0..0..1..2....0..0..0..0..1....0..0..0..1..2....0..0..0..2..2

%e ..0..1..1..2..2....0..1..1..2..3....0..1..2..2..2....0..0..1..2..2

%e ..0..1..2..3..3....1..2..2..3..3....0..1..2..3..3....1..1..1..3..3

%e ..1..2..3..3..3....1..2..2..3..3....1..1..3..3..3....1..2..3..3..3

%Y Cf. A265005.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 29 2015

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)