A060128 a(n) is the number of disjoint cycles (excluding 1-cycles, i.e., fixed elements) in the n-th permutation of A060117 and A060118.

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

Offset

0,8

Links

Antti Karttunen, Table of n, a(n) for n = 0..40320

Index entries for sequences related to factorial base representation

Formula

a(n) = A060129(n) - A060130(n).

From Antti Karttunen, Aug 07 2017: (Start)

a(n) = A056170(A275725(n)).

a(n) = A055090(A060120(n)).

a(n) = A060502(n) - A276004(n).

(End)

Maple

A060128(n) = nops(convert(PermUnrank3L(n), 'disjcyc')); # Code for function PermUnrank3L given in A060118.

Crossrefs

Cf. A055090, A056170, A060118, A060120, A060129, A060130, A275725, A278225, A276004.

Cf. A276005 (positions where coincides with A060502).

Sequence in context: A349340 A326297 A379772 * A330751 A327407 A290104

Adjacent sequences: A060125 A060126 A060127 * A060129 A060130 A060131

Keyword

nonn

Author

Antti Karttunen, Mar 05 2001

Status

approved