A172833 Number of 3*n X n 0..4 arrays with row sums 4 and column sums 12.

1, 1751, 484582350, 4855940642591941, 784651415725030722439025, 1224549137633779037361672006525000, 12954552338378953331770652180864486570952000

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..17

Crossrefs

Sequence in context: A362875 A324710 A201801 * A172882 A251892 A143994

Adjacent sequences: A172830 A172831 A172832 * A172834 A172835 A172836

Keyword

nonn,changed

Author

R. H. Hardin, Feb 06 2010

Status

approved