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A100116 If n is squarefree then A100114(A100112(n)) else n. 2
1, 2, 5, 4, 7, 3, 13, 8, 9, 10, 19, 12, 23, 11, 6, 16, 30, 18, 41, 20, 14, 17, 47, 24, 25, 26, 27, 28, 57, 15, 61, 32, 21, 29, 34, 36, 66, 39, 22, 40, 71, 33, 87, 44, 45, 46, 94, 48, 49, 50, 31, 52, 102, 54, 35, 56, 42, 55, 110, 60, 115, 62, 63, 64, 37, 43, 123, 68, 51, 38, 139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Permutation of the natural numbers with inverse A100115;

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

LINKS

Table of n, a(n) for n=1..71.

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Cf. A005117.

Sequence in context: A129491 A021801 A102513 * A107921 A171760 A085801

Adjacent sequences:  A100113 A100114 A100115 * A100117 A100118 A100119

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 07 2004

STATUS

approved

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Last modified January 24 13:11 EST 2022. Contains 350538 sequences. (Running on oeis4.)