1,5

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, Ore Graph

A264683 (Number of Ore graphs on n nodes).

Sequence in context: A188573 A196010 A121071 * A108485 A018940 A271958

Adjacent sequences: A092196 A092197 A092198 * A092200 A092201 A092202

nonn,more,dead

Eric W. Weisstein, Feb 24 2004

approved