A172810 Number of n X n 0..4 arrays with row sums 12 and column sums 12.

0, 0, 1, 10147, 1380339980, 923707339966121, 2559427003605480026767, 25779625922082640845623786596, 842495245380303684515723877888629640, 81060631348910042232392222017393387380144900

Offset

1,4

Links

R. H. Hardin, Table of n, a(n) for n=1..12

Crossrefs

Sequence in context: A289856 A023066 A248487 * A231030 A323486 A153139

Adjacent sequences: A172807 A172808 A172809 * A172811 A172812 A172813

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved