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A002856
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Number of polyhedra with n nodes and n faces.
(Formerly M1864 N0739)
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4
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1, 1, 2, 8, 42, 296, 2635, 25626, 268394, 2937495, 33310550, 388431688, 4637550072, 56493493990, 700335433295
(list; graph; refs; listen; history; internal format)
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OFFSET
| 4,3
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REFERENCES
| P. J. Federico, Enumeration of polyhedra: the number of 9-hedra, J. Combin. Theory, 7 (1969), 155-161.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| G. P. Michon, Counting Polyhedra
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CROSSREFS
| Sequence in context: A002874 A078592 A052646 * A093461 A191994 A153524
Adjacent sequences: A002853 A002854 A002855 * A002857 A002858 A002859
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KEYWORD
| nonn,hard,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from Gerard P. Michon (g.michon(AT)att.net), Mar 29 2002
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