A172736 Number of n X n 0..3 arrays with row sums 5 and column sums 5.

0, 2, 87, 20112, 13130451, 20592419760, 68480747646822, 439844417498287872, 5071434436872671368032, 98967158653968381405705552, 3114311420263883442781958758440, 151767050607668644623432327234864384

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..35

Crossrefs

Sequence in context: A177318 A280551 A283945 * A244386 A273520 A066226

Adjacent sequences: A172733 A172734 A172735 * A172737 A172738 A172739

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved