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A361403
Number of bicolored connected cubic graphs on 2n unlabeled vertices.
2
1, 0, 5, 23, 247, 4660, 124480, 4286155, 177173770, 8460721770, 456369771864, 27394102475517, 1809905002448020, 130479709461582679, 10191059146232826353, 857183200472049855001, 77244717697104310952411, 7424434373914632379955822, 758150225111024064264853603, 81967014740890327829104517614, 9353488650500180241693235592248
OFFSET
0,3
COMMENTS
Adjacent vertices may have the same color.
FORMULA
Inverse Euler transform of A361362.
CROSSREFS
Row sums of A321304.
Cf. A361362 (not necessarily connected).
Sequence in context: A295080 A323993 A156555 * A116652 A361362 A197936
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Mar 10 2023
STATUS
approved