A172703 Number of 6*n X n 0..2 arrays with row sums 2 and column sums 12.

1, 73789, 1820016119376, 2248575441654260591964, 53234949493963470885785898137100, 13495472374334172242190334756526625738793200

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..15

Crossrefs

Sequence in context: A172906 A172927 A172949 * A256731 A186835 A239587

Adjacent sequences: A172700 A172701 A172702 * A172704 A172705 A172706

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved