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A003189
Erroneous version of A051240.
0
1, 1, 1, 2, 6, 156, 7013488, 29288387523484992, 234431745534048922731115019069056
OFFSET
1,4
LINKS
E. M. Palmer, On the number of n-plexes, Discrete Math., 6 (1973), 377-390.
CROSSREFS
Sequence in context: A246958 A219761 A051240 * A323841 A281819 A329980
KEYWORD
dead
STATUS
approved