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A129419 Number of isomorphism classes of connected 5-regular loopless multigraphs of order 2n. 8
1, 4, 49, 1689, 187392, 46738368, 20446754006 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A129420, A129430, A000421, A129417, A129421, A129423, A129425

Sequence in context: A188682 A191301 A029991 * A212130 A049503 A159593

Adjacent sequences:  A129416 A129417 A129418 * A129420 A129421 A129422

KEYWORD

nonn

AUTHOR

Brendan McKay, Apr 15 2007

STATUS

approved

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Last modified May 22 21:17 EDT 2019. Contains 323504 sequences. (Running on oeis4.)