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A129421 Number of isomorphism classes of connected 6-regular loopless multigraphs of order n. 8
1, 1, 6, 15, 120, 933, 13303, 252207, 6450828, 205475039, 7936493756, 363639228194 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

COMMENTS

Computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/

LINKS

Table of n, a(n) for n=2..13.

CROSSREFS

Cf. A129422, A129432, A000421, A129417, A129419, A129423, A129425

Sequence in context: A219771 A087137 A056317 * A013227 A013223 A219289

Adjacent sequences:  A129418 A129419 A129420 * A129422 A129423 A129424

KEYWORD

nonn

AUTHOR

Brendan McKay, Apr 15 2007

STATUS

approved

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Last modified April 20 17:54 EDT 2019. Contains 322310 sequences. (Running on oeis4.)