A172639 Number of n X 5 0..2 arrays with row sums 5 and column sums n

1, 51, 991, 32611, 1084851, 39612501, 1509893001, 59794281891, 2435292751411, 101471705778601, 4307041366439901, 185658731463324901, 8107975032968711941, 358060848206529563811, 15966070888767791932191, 717973394997481520889891

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..99

Crossrefs

Sequence in context: A317651 A201212 A153221 * A231648 A017767 A017714

Adjacent sequences: A172636 A172637 A172638 * A172640 A172641 A172642

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved