A172712 Number of 7*n X 3*n 0..2 arrays with row sums 3 and column sums 7

35617, 87186713382942888000, 5516710929099784554483904755922151424000, 333637887279822868851213302567250125738747164586627567616000000, 3578764279810021543463667726214338048478657324628002393015738511636185172262912000000000

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..11

Crossrefs

Sequence in context: A205517 A204666 A163680 * A161023 A252920 A156405

Adjacent sequences: A172709 A172710 A172711 * A172713 A172714 A172715

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved