A139682 Number of n X n symmetric binary matrices with no row sum greater than 6.

1, 2, 8, 64, 1024, 32768, 2097152, 254409765, 52635426489, 16734894319214, 7584366191600668, 4658699927786935270, 3743721825782942609558, 3832881704712490758507152, 4895883231714885655148797216, 7669344273849107780888127116263, 14522102432152504473007144076157867

Offset: 0

Author

R. H. Hardin, Jun 13 2008

Keywords

• nonn

Links

• Andrew Howroyd, Table of n, a(n) for n = 0..25

Crossrefs

Column k=6 of A334548.