A172916 Number of 3*n X 9 0..6 arrays with row sums 6 and column sums 2*n

352128, 811889208811800, 4801114002903931560293544, 43212752077206858567543807299695080, 493557244824104842248683942590327045986131328

Offset

1,1

Links

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

Crossrefs

Sequence in context: A172773 A172840 A172886 * A172765 A205632 A205334

Adjacent sequences: A172913 A172914 A172915 * A172917 A172918 A172919

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved