%I #8 May 08 2020 18:24:58
%S 1,2,8,64,1024,32768,2097152,268435456,66628946641,29707592691510,
%T 21634670753754060,23709506474859569328,36821021837919664452090,
%U 77635187673471762914463552,215313862348697780762374273824,766493362781127793638943080523776
%N Number of n X n symmetric binary matrices with no row sum greater than 7.
%H Andrew Howroyd, <a href="/A139683/b139683.txt">Table of n, a(n) for n = 0..25</a>
%Y Column k=7 of A334548.
%K nonn
%O 0,2
%A _R. H. Hardin_, Jun 13 2008
%E Terms a(13) and beyond from _Andrew Howroyd_, May 08 2020