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A241455 Number of simple connected graphs g on n nodes with |Aut(g)| = 4 19
0, 0, 0, 1, 3, 28, 198, 1971, 29047, 672516 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..10.

Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs

T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644, 2014

Eric Weisstein's World of Mathematics, Graph Automorphism

CROSSREFS

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

Sequence in context: A285365 A160872 A081019 * A278183 A091120 A045737

Adjacent sequences:  A241452 A241453 A241454 * A241456 A241457 A241458

KEYWORD

nonn

AUTHOR

Travis Hoppe and Anna Petrone, Apr 23 2014

STATUS

approved

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Last modified October 16 07:07 EDT 2021. Contains 348041 sequences. (Running on oeis4.)