A172538 Number of n X n 0..1 arrays with row sums 13 and column sums 13.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 87178291200, 147320988741542099484000, 190637228506535883540302038364160000, 238871596129285108315684789088803525762942560000

Offset: 1

Author

R. H. Hardin, Feb 06 2010

Keywords

• nonn

Links

• R. H. Hardin, Table of n, a(n) for n=1..19

Crossrefs

Column k=13 of A008300.