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Search: id:A094610
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A094610 Number of unlabeled 4-gonal 2-trees with n 4-gons. +0
1
1, 1, 1, 3, 8, 32, 141, 749, 4304, 26492, 169263, 1115015, 7507211, 51466500, 358100288, 2523472751, 17978488711, 129325796854, 938234533024, 6858551493579, 50478955083341 (list; graph; listen)
OFFSET

0,4

LINKS

G. Labelle, C. Lamathe and P. Leroux, Labeled and unlabeled enumeration of k-gonal 2-trees

CROSSREFS

Cf. A054581.

Adjacent sequences: A094607 A094608 A094609 this_sequence A094611 A094612 A094613

Sequence in context: A151541 A022563 A103939 this_sequence A064316 A009438 A091831

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 06 2004

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.


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