A172839 Number of 3*n X 2*n 0..4 arrays with row sums 4 and column sums 6.

19, 7100821, 811889208811800, 4509741556140302851191900, 472456616741846499933573760930072500, 525065279695190719776277892214398176478661270000

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n=1..16

Crossrefs

Sequence in context: A099114 A013810 A172875 * A177920 A145308 A087515

Adjacent sequences: A172836 A172837 A172838 * A172840 A172841 A172842

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved