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A054937 Number of chiral planar maps on n nodes up to orientation-preserving isomorphisms. +0
1
0, 0, 0, 5, 64, 655, 5858, 51369, 448982, 3967466 (list; graph; listen)
OFFSET

1,4

LINKS

V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.

CROSSREFS

Sequence in context: A112788 A004193 A027667 this_sequence A073179 A061684 A061698

Adjacent sequences: A054934 A054935 A054936 this_sequence A054938 A054939 A054940

KEYWORD

nonn,easy,more

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 24 2000

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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