%I A099435
%S A099435 1,2,3,10,28,145,990,12195,273402
%N A099435 Number of simple class-1 graphs on n nodes.
%H A099435 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Class1Graph.html">Class 1 Graph</a>
%F A099435 Euler transform of A099436. - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Jun 30 2007
%Y A099435 Cf. A099436.
%Y A099435 Sequence in context: A000060 A089752 A007029 this_sequence A140453 A037169 
               A058953
%Y A099435 Adjacent sequences: A099432 A099433 A099434 this_sequence A099436 A099437 
               A099438
%K A099435 nonn
%O A099435 1,2
%A A099435 Eric Weisstein (eric(AT)weisstein.com), Oct 15, 2004
%E A099435 Corrected and extended by Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 
               30 2007