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A053466 Number of connected 3-multigraphs. 0
1, 3, 16, 250, 10364, 1590368, 890704748, 1798888780974, 13040687516840812, 341365122121400763818, 32525985067651643920408364, 11367070802646570246017825177796 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Cf. A053400.

Sequence in context: A182012 A272385 A013923 * A005031 A300960 A224440

Adjacent sequences:  A053463 A053464 A053465 * A053467 A053468 A053469

KEYWORD

easy,nonn

AUTHOR

Vladeta Jovovic, Jan 13 2000

STATUS

approved

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Last modified April 25 04:26 EDT 2019. Contains 322451 sequences. (Running on oeis4.)