1,1
Table of n, a(n) for n=1..7.
Eric Weisstein's World of Mathematics, Independent Vertex Set
Eric Weisstein's World of Mathematics, Mycielski Graph
Eric Weisstein's World of Mathematics, Vertex Cover
Sequence in context: A065378 A161721 A225603 * A300898 A079853 A358602
Adjacent sequences: A292707 A292708 A292709 * A292711 A292712 A292713
nonn,more
Eric W. Weisstein, Sep 21 2017
approved