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A060128 Number of disjoint cycles (excluding 1-cycles, i.e. fixed terms) in the permutations of sequences A060117/A060118. 9
0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,8

LINKS

Table of n, a(n) for n=0..104.

FORMULA

a(n) = nops(convert(PermUnrank3L(n), 'disjcyc'))

CROSSREFS

A060128[n] = A060129[n] - A060130[n]. Cf. A055090.

Sequence in context: A031242 A031260 A055090 * A031280 A134870 A031286

Adjacent sequences:  A060125 A060126 A060127 * A060129 A060130 A060131

KEYWORD

nonn

AUTHOR

Antti Karttunen, Mar 05 2001

STATUS

approved

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Last modified December 7 23:12 EST 2016. Contains 278900 sequences.