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Number of bicolored connected cubic graphs on 2n unlabeled vertices.
2

%I #7 Mar 11 2023 18:26:39

%S 1,0,5,23,247,4660,124480,4286155,177173770,8460721770,456369771864,

%T 27394102475517,1809905002448020,130479709461582679,

%U 10191059146232826353,857183200472049855001,77244717697104310952411,7424434373914632379955822,758150225111024064264853603,81967014740890327829104517614,9353488650500180241693235592248

%N Number of bicolored connected cubic graphs on 2n unlabeled vertices.

%C Adjacent vertices may have the same color.

%F Inverse Euler transform of A361362.

%Y Row sums of A321304.

%Y Cf. A361362 (not necessarily connected).

%K nonn

%O 0,3

%A _Andrew Howroyd_, Mar 10 2023