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

1, 3, 21, 261, 4919, 120096, 3558888, 123026475, 4817478608, 209081118730, 9892111117243

Offset: 1

Author

R. H. Hardin, Nov 29 2015

Keywords

• nonn

Comments

Column 5 of A265005.

Examples

			Some solutions for n=4
..0..0..0..1..2....0..0..0..0..1....0..0..0..1..2....0..0..0..2..2
..0..1..1..2..2....0..1..1..2..3....0..1..2..2..2....0..0..1..2..2
..0..1..2..3..3....1..2..2..3..3....0..1..2..3..3....1..1..1..3..3
..1..2..3..3..3....1..2..2..3..3....1..1..3..3..3....1..2..3..3..3
		

Crossrefs

Cf. A265005.