0,7

Eric Weisstein's World of Mathematics, Nonplanar Graph

a(n) = A000088(n) - A005470(n)

Cf. A145270.

Sequence in context: A004369 A121972 A113894 this_sequence A027774 A099272 A120048

Adjacent sequences: A145266 A145267 A145268 this_sequence A145270 A145271 A145272

nonn,more

E. W. Weisstein (eric(AT)weisstein.com), Oct 05, 2008

Edited by Max Alekseyev (maxale(AT)gmail.com), Sep 18 2009