A172898 Number of n X n 0..6 arrays with row sums 13 and column sums 13

0, 0, 231, 3416992, 411376189470, 292963407932973960, 1019341412751580730961408, 14800896794108577720470005943168, 787822511525554259096702212708356345684

Offset

1,3

Links

R. H. Hardin, Table of n, a(n) for n=1..11

Crossrefs

Sequence in context: A172861 A068750 A225997 * A172908 A359011 A172935

Adjacent sequences: A172895 A172896 A172897 * A172899 A172900 A172901

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved