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. 77.

Adjacent sequences: A039715 A039716 A039717 this_sequence A039719 A039720 A039721

Sequence in context: A012986 A062498 A008269 this_sequence A006126 A075538 A067965

hard,nonn,nice

Vladeta Jovovic (vladeta(AT)Eunet.yu)