A251971 Number of (n+1)X(5+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column.

160000, 12250000, 937890625, 29412250000, 922368160000, 16270574342400, 287012931399936, 3373866295640064, 39660142577319936, 344307200786841600, 2989082761932960000, 20503345475844000000, 140640861824100000000

Offset: 1

Author

R. H. Hardin, Dec 12 2014

Keywords

• nonn

Comments

Column 5 of A251974

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..26