A172840 Number of 3*n X 9 0..4 arrays with row sums 6 and column sums 2*n

352128, 811889208811800, 4512934309457492170923216, 37736268336701361777964258280263320, 398985427051117716339042202464595044584127768

Offset

1,1

Links

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

Crossrefs

Sequence in context: A172664 A172676 A172773 * A172886 A172916 A172765

Adjacent sequences: A172837 A172838 A172839 * A172841 A172842 A172843

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved