A100116 If n is squarefree then A100114(A100112(n)) else n.

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

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 * A366682 A107921 A171760

Adjacent sequences: A100113 A100114 A100115 * A100117 A100118 A100119

Keyword

nonn

Author

Reinhard Zumkeller, Nov 07 2004

Status

approved