A251972 Number of (n+1) X (6+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column.

490000, 60025000, 7353062500, 345888060000, 16270574342400, 410018473428480, 10332465530397696, 167006381634183168, 2699368454168838144, 31245878471405875200, 361679014193888160000, 3225176243350261200000

Offset: 1

Author

R. H. Hardin, Dec 12 2014

Keywords

• nonn

Comments

Column 6 of A251974.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18

Crossrefs

Cf. A251974.