A032178 Number of functions of n points with no fixed points and with no symmetries.

0, 0, 1, 2, 6, 12, 32, 73, 180, 426, 1041, 2507, 6113, 14853, 36283, 88622, 217054, 532018, 1306281, 3210392, 7899770, 19456524, 47966169, 118346672, 292228449, 722098114, 1785513052, 4417719597, 10936705897

Offset

1,4

Links

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

C. G. Bower, Transforms (2)

N. J. A. Sloane, Transforms

Formula

WEIGH transform of A032177.

Crossrefs

Cf. A001373, A032177.

Sequence in context: A332654 A000650 A304961 * A102881 A360867 A217447

Adjacent sequences: A032175 A032176 A032177 * A032179 A032180 A032181

Keyword

nonn,nice,more

Author

Christian G. Bower

Status

approved