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A032177 Number of connected functions of n points with no fixed points and with no symmetries. 1
0, 0, 1, 2, 6, 12, 30, 66, 156, 357, 842, 1961, 4643, 10960, 26072, 62084, 148499, 355784, 855038, 2058536, 4967099, 12005308, 29067646, 70483478, 171158311, 416168250, 1013156687, 2469301316, 6024696764 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..29.

FORMULA

Difference between A015183 and A004111.

CROSSREFS

Cf. A002862.

Sequence in context: A283477 A182863 A161507 * A095349 A291518 A291445

Adjacent sequences:  A032174 A032175 A032176 * A032178 A032179 A032180

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified February 21 14:29 EST 2018. Contains 299414 sequences. (Running on oeis4.)