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

1,1

Comments

Column 5 of A251974

Links

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

Example

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

Crossrefs

Sequence in context: A223286 A223483 A202936 * A013897 A205742 A206674

Adjacent sequences: A251968 A251969 A251970 * A251972 A251973 A251974

Keyword

nonn

Author

R. H. Hardin, Dec 12 2014

Status

approved