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A039718
Two-dimensional simplicial complexes on n labeled nodes.
0
1, 2, 9, 113, 6212, 3702013
OFFSET
1,2
REFERENCES
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.
CROSSREFS
Sequence in context: A326267 A337043 A008269 * A307249 A201381 A075538
KEYWORD
hard,nonn,nice
STATUS
approved