A172690 Number of 5*n X n 0..2 arrays with row sums 3 and column sums 15

0, 252, 98984058271, 2556622439429326953984, 1840612120873072393197860408401920, 20856759061804812713740241716791439872159072000

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..13

Crossrefs

Sequence in context: A227766 A010331 A362888 * A088851 A373916 A244168

Adjacent sequences: A172687 A172688 A172689 * A172691 A172692 A172693

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved