A361583 - OEIS

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A361583

Number of digraphs on n unlabeled nodes whose strongly connected components are complete digraphs.

1, 1, 3, 12, 88, 1217, 34672, 2039085, 246005109, 60296886108, 29828186693218, 29663937774464786, 59172529527454608139, 236453014376786629601848, 1891427400988740573006253862, 30274661556583530830890359188257, 969429810937979825934973090455224882

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..16.

PROG

(PARI) A361583seq(16) \\ See PARI link in A350794 for program code.

CROSSREFS

The labeled version is A361560.

Cf. A000273, A350794, A361584, A361585.

Sequence in context: A039305 A174463 A367143 * A361584 A124191 A065087

Adjacent sequences: A361580 A361581 A361582 * A361584 A361585 A361586

KEYWORD

nonn

AUTHOR

Andrew Howroyd, Mar 16 2023

STATUS

approved