1,2

F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973.

Cf. A000664.

Sequence in context: A027990 A037520 A052911 this_sequence A127540 A060900 A151289

Adjacent sequences: A126130 A126131 A126132 this_sequence A126134 A126135 A126136

more,nonn

Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 07 2007