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A100115 If n is squarefree then A100113(A100112(n)) else n. 2
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 1 13:04 EDT 2020. Contains 337443 sequences. (Running on oeis4.)