A172692 Number of 5*n X 10 0..2 arrays with row sums 2 and column sums n

113400, 3930730108200, 369820640830881240000, 54918587341306311174536985000, 10585995418849686886860491452609238400, 2415977451999318332950627138384873223959560000

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..19

Crossrefs

Sequence in context: A122511 A172549 A172589 * A172648 A259010 A259003

Adjacent sequences: A172689 A172690 A172691 * A172693 A172694 A172695

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved