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A122511 Number of n-node labeled trivalent (or cubic) graphs with connectivity 1. +0
1
0, 0, 0, 0, 113400, 134719200, 206367361200, 441231126336000, 1314804135572928000, 5371366122198236160000, 29519910833205467394720000, 214250468144929272764547840000 (list; graph; listen)
OFFSET

1,5

REFERENCES

R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1977.

LINKS

R. W. Robinson, Table of n, a(n) for n = 1..30

CROSSREFS

Sequence in context: A033447 A102497 A103113 this_sequence A066790 A135411 A108387

Adjacent sequences: A122508 A122509 A122510 this_sequence A122512 A122513 A122514

KEYWORD

nonn

AUTHOR

njas, Nov 13 2006

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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