%I #19 May 17 2023 10:34:17
%S 1,2,3,6,10,20,33,71,121,269,492
%N Number of simple integral graphs on n nodes.
%C Generated at the suggestion of _Ed Pegg Jr_.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IntegralGraph.html">Integral Graph</a>
%F Euler transform of A064731. - _Eric M. Schmidt_, Mar 23 2015
%F a(n) = A287154(n) + A064731(n).
%Y Cf. A064731 (number of simple connected integral graphs).
%Y Cf. A287154 (number of simple disconnected integral graphs).
%Y Cf. A363065 (number of Laplacian integral graphs).
%K nonn,more
%O 1,2
%A _Eric W. Weisstein_, Oct 18 2002
%E a(1) corrected and a(10)-a(11) added (using A064731) by _Eric M. Schmidt_, Mar 23 2015