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A129425 Number of isomorphism classes of connected 8-regular loopless multigraphs of order n. 8
1, 0, 1, 1, 9, 36, 571, 12465, 543116, 35241608, 3230417239, 397514307014 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

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

LINKS

Table of n, a(n) for n=0..11.

PROG

(nauty/bash) geng -c -d1 ${n} -q | multig -r8 -u # Natan Arie' Consigli, Jun 05 2017

CROSSREFS

Cf. A129426, A129436, A000421, A129417, A129419, A129421, A129423

Sequence in context: A204513 A223306 A272890 * A246757 A079655 A203764

Adjacent sequences:  A129422 A129423 A129424 * A129426 A129427 A129428

KEYWORD

nonn

AUTHOR

Brendan McKay, Apr 15 2007

EXTENSIONS

a(0)-a(1) prepended by Natan Arie' Consigli, Jun 05 2017

STATUS

approved

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Last modified May 25 00:59 EDT 2019. Contains 323534 sequences. (Running on oeis4.)