A172604 Number of 7*n X 14 0..1 arrays with row sums 2 and column sums n

681080400, 676508133623135814000, 3031982831164890119435183865600000, 26585119285914456883176777688331471089227750000, 341296897608554687055256179810792324655491010769411003750400

Offset

1,1

Links

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

Crossrefs

Sequence in context: A234795 A035795 A172552 * A172709 A250434 A274363

Adjacent sequences: A172601 A172602 A172603 * A172605 A172606 A172607

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved