A100115 If n is squarefree then A100113(A100112(n)) else n.

1, 2, 6, 4, 3, 15, 5, 8, 9, 10, 14, 12, 7, 21, 30, 16, 22, 18, 11, 20, 33, 39, 13, 24, 25, 26, 27, 28, 34, 17, 51, 32, 42, 35, 55, 36, 65, 70, 38, 40, 19, 57, 66, 44, 45, 46, 23, 48, 49, 50, 69, 52, 78, 54, 58, 56, 29, 87, 93, 60, 31, 62, 63, 64, 74, 37, 111, 68, 102, 82, 41, 72

Offset

1,2

Comments

Permutation of the natural numbers with inverse A100116;

a(A013929(n)) = A013929(n).

Links

Table of n, a(n) for n=1..72.

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A005117.

Sequence in context: A206225 A208507 A216153 * A029670 A160205 A187817

Adjacent sequences: A100112 A100113 A100114 * A100116 A100117 A100118

Keyword

nonn

Author

Reinhard Zumkeller, Nov 07 2004

Status

approved