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A039749
Erroneous version of A001930.
0
1, 1, 3, 9, 32
OFFSET
0,3
REFERENCES
F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 218.
CROSSREFS
Sequence in context: A351185 A299549 A099999 * A034538 A034540 A148971
KEYWORD
dead
STATUS
approved