1,5

It is possible that the definition should say "connected" rather than "biconnected". Should be rechecked! - Max Alekseyev and Brendan McKay, Jun 17 2008

Keith M. Briggs, Combinatorial Graph Theory

A diagonal of triangle in A126749.

Adjacent sequences: A126748 A126749 A126750 this_sequence A126752 A126753 A126754

Sequence in context: A054721 A074111 A073087 this_sequence A009689 A133668 A121772

nonn

njas, Feb 18 2007