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A006867 Number of irreducible polyhedral graphs with n faces.
(Formerly M1527)
+0
1
1, 2, 5, 20, 107, 826, 7703, 81231, 914973 (list; graph; listen)
OFFSET

4,2

REFERENCES

M. B. Dillencourt, personal communication.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

CROSSREFS

Sequence in context: A009551 A006924 A152562 this_sequence A019536 A129949 A127065

Adjacent sequences: A006864 A006865 A006866 this_sequence A006868 A006869 A006870

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.


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