1,3

F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 231.

W. Oberschelp, Kombinatorische Anzahlbestimmungen in Relationen, Math. Ann., 174 (1967), 53-78.

E. M. Palmer, On the number of n-plexes, Discrete Math., 6 (1973), 377-390.

P. J. Cameron, Sequences realized by oligomorphic permutation groups, J. Integ. Seqs. Vol. 3 (2000), #00.1.5.

A diagonal of A092337.

Sequence in context: A027303 A052695 A002665 this_sequence A058882 A000659 A063443

Adjacent sequences: A000662 A000663 A000664 this_sequence A000666 A000667 A000668

nonn,nice

njas

Corrected and extended by Vladeta Jovovic (vladeta(AT)Eunet.yu)