1,2

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

V. Jovovic, On the number of two-dimensional simplicial complexes (in Russian), Metody i sistemy tekhnicheskoy diagnostiki, Vypusk 16, Mezhvuzovskiy zbornik nauchnykh trudov, Izdatelstvo Saratovskogo universiteta, 1991, p. 83.

Sequence in context: A113346 A054926 A002786 this_sequence A014466 A108799 A085871

Adjacent sequences: A039716 A039717 A039718 this_sequence A039720 A039721 A039722

hard,nonn,nice

Vladeta Jovovic (vladeta(AT)eunet.rs)