A172896 Number of n X n 0..6 arrays with row sums 15 and column sums 15

0, 0, 55, 1624984, 604695015651, 1519010563560867720, 21289875032822659308693914, 1419681395223483661783817488296832, 393979033195135438178790605724141071905152

Offset

1,3

Links

R. H. Hardin, Table of n, a(n) for n=1..10

Crossrefs

Sequence in context: A243315 A172856 A093255 * A201823 A115410 A250489

Adjacent sequences: A172893 A172894 A172895 * A172897 A172898 A172899

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved