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A287481 Number of (not-necessarily connected) non-chordal simple graphs on n vertices. 2

%I

%S 0,0,0,1,7,62,651,10227,260144,11878410,1017605477,165072063493,

%T 50501705362177,29054148751458689

%N Number of (not-necessarily connected) non-chordal simple graphs on n vertices.

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

%F a(n) = A241843(n) + A287482(n).

%F a(n) = A000088(n) - A048193(n).

%Y Cf. A241843 (simple connected non-chordal graphs).

%Y Cf. A287482 (simple disconnected non-chordal graphs).

%K nonn,more

%O 1,5

%A _Eric W. Weisstein_, May 25 2017

%E a(11)-a(14) using formula by _Falk H├╝ffner_, Aug 10 2017

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Last modified October 1 04:06 EDT 2020. Contains 337441 sequences. (Running on oeis4.)