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A172604
Number of 7*n X 14 0..1 arrays with row sums 2 and column sums n
1
681080400, 676508133623135814000, 3031982831164890119435183865600000, 26585119285914456883176777688331471089227750000, 341296897608554687055256179810792324655491010769411003750400
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A234795 A035795 A172552 * A172709 A250434 A274363
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved