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A129423 Number of isomorphism classes of connected 7-regular loopless multigraphs of order 2n. 7
1, 7, 263, 90614, 165041329, 861723619902 (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..6.

CROSSREFS

Cf. A129424, A129434, A000421, A129417, A129419, A129421, A129425

Sequence in context: A269576 A130741 A003385 * A324095 A290880 A231486

Adjacent sequences:  A129420 A129421 A129422 * A129424 A129425 A129426

KEYWORD

nonn

AUTHOR

Brendan McKay, Apr 15 2007

STATUS

approved

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Last modified May 24 18:34 EDT 2019. Contains 323534 sequences. (Running on oeis4.)