A268104 Number of 1Xn 0..n arrays with every repeated value in every row and column greater than or equal to the previous repeated value.

2, 9, 64, 615, 7536, 112476, 1981512, 40265487, 927338710, 23873974553, 679478391252, 21185458961316, 718142599280848, 26296505423775240, 1034431689380433024, 43505385550994833263, 1948060006167232265688

Offset: 1

Author

R. H. Hardin, Jan 26 2016

Keywords

• nonn

Comments

Row 1 of A268103.

Examples

			Some solutions for n=5
..0..2..1..4..5....2..3..2..1..5....2..3..0..5..2....2..5..0..5..3
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..193

Crossrefs

Cf. A268103.