login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A172709
Number of 7*n X 14 0..2 arrays with row sums 2 and column sums n
1
681080400, 1908371363842760216400, 23511842995969107700302647865600000, 563878027583411427270722913947560641974771250000, 19762924171488525106388046998057857689799517215013510114150400
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A035795 A172552 A172604 * A250434 A274363 A034651
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved