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A158007 Number of simple connected noneulerian graphs on n nodes. 1

%I #4 Jun 14 2013 10:41:15

%S 0,1,1,5,17,104,816,10933,259298,11685545,1005551939,163973291348,

%T 50323109433351,28999867293155772,31395440775755417399,

%U 63967594175789887438112,245868065133951888388878298

%N Number of simple connected noneulerian graphs on n nodes.

%C Euler transform of a(n) gives A007126(n+1). [From _Vladeta Jovovic_, Mar 17 2009]

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/NoneulerianGraph.html">Noneulerian Graph</a>

%F a(n) = A001349(n) - A003049(n). [From _Vladeta Jovovic_, Mar 17 2009]

%Y Cf. A007126, A001349, A003049.

%K nonn

%O 1,4

%A _Eric W. Weisstein_, Mar 11, 2009

%E More terms via inverse Euler transform of A007126 by _R. J. Mathar_, Mar 29 2009

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)