OFFSET
0,5
LINKS
Andrew Howroyd, Table of n, a(n) for n = 0..50
FORMULA
Euler transform of A157051. - Max Alekseyev, Feb 22 2009
MATHEMATICA
cbs[g_] := Or @@ Map[BipartiteQ, Map[InduceSubgraph[g, # ] &, ConnectedComponents[g]]] Table[Count[Map[cbs, ListGraphs[n]], False], {n, 6}]
Table[Count[Map[cbs, ListGraphs[n]], False], {n, 7}] (* Wouter Meeussen, Feb 21 2009 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Tanya Khovanova, Feb 21 2009
EXTENSIONS
a(7) from Wouter Meeussen, Feb 21 2009
Formula and terms a(8)-a(17) from Max Alekseyev, Feb 22 2009
Corrected by Max Alekseyev and Vladeta Jovovic, May 02 2009
a(18)-a(20) from Max Alekseyev, Jun 24 2013
STATUS
approved