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A129426 Number of isomorphism classes of 8-regular loopless multigraphs of order n. 9

%I #8 Mar 18 2020 03:01:55

%S 0,1,1,10,37,582,12511,543779,35255015,3230979297,397550237967,

%T 63834143947661,13080849749829233,3358751856150607392,

%U 1063851391062768324862,410060430118305494628648,190065946515113295597969794,104826174445642584491349328181

%N Number of isomorphism classes of 8-regular loopless multigraphs of order n.

%C Initial terms computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/

%F Euler transform of A129425. - _Andrew Howroyd_, Mar 17 2020

%Y Column k=8 of A333330.

%Y Cf. A129425, A129437, A129416, A129418, A129420, A129422, A129424.

%K nonn

%O 1,4

%A _Brendan McKay_, Apr 15 2007

%E a(1)=0 prepended and a(12)-a(18) from _Andrew Howroyd_, Mar 17 2020

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Last modified April 25 10:47 EDT 2024. Contains 371967 sequences. (Running on oeis4.)