A361403 Number of bicolored connected cubic graphs on 2n unlabeled vertices.

1, 0, 5, 23, 247, 4660, 124480, 4286155, 177173770, 8460721770, 456369771864, 27394102475517, 1809905002448020, 130479709461582679, 10191059146232826353, 857183200472049855001, 77244717697104310952411, 7424434373914632379955822, 758150225111024064264853603, 81967014740890327829104517614, 9353488650500180241693235592248

Offset: 0

Author

Andrew Howroyd, Mar 10 2023

Keywords

• nonn

Comments

Adjacent vertices may have the same color.

Crossrefs

Row sums of A321304.

Cf. A361362 (not necessarily connected).

Formula

Inverse Euler transform of A361362.