A172571 Number of 3*n X 15 0..1 arrays with row sums 5 and column sums n

756756, 306407299538340, 607807501825156719166080, 2460737690938850798370391240644900, 14962628816774970940772777740084998521738256

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..14

Crossrefs

Sequence in context: A273971 A259305 A172586 * A172670 A172769 A172837

Adjacent sequences: A172568 A172569 A172570 * A172572 A172573 A172574

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved