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
KEYWORD
hard,nonn,nice
AUTHOR
STATUS
approved