A172731 Number of n X n 0..3 arrays with row sums 13 and column sums 13

0, 0, 0, 0, 6210, 20592419760, 272039989206828885, 11790866860533363630752256, 1609379339428507638996616962234528, 649308484381906359124692131947427492018400

Offset

1,5

Links

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

Crossrefs

Sequence in context: A246889 A172629 A172697 * A330364 A230733 A293355

Adjacent sequences: A172728 A172729 A172730 * A172732 A172733 A172734

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved