A102510 If n is squarefree then A090705(A100112(n)) else n.

1, 2, 6, 4, 3, 10, 5, 8, 9, 14, 7, 12, 15, 11, 21, 16, 13, 18, 22, 20, 17, 26, 19, 24, 25, 33, 27, 28, 23, 34, 29, 32, 35, 30, 38, 36, 31, 39, 37, 40, 46, 41, 51, 44, 45, 42, 55, 48, 49, 50, 43, 52, 57, 54, 47, 56, 58, 53, 62, 60, 59, 65, 63, 64, 61, 69, 66, 68, 74, 67, 77, 72

Offset

1,2

Comments

a(A005117(n)) = A090705(n) and a(A013929(n)) = A013929(n);

A102511(n) = Sum(A008683(a(k)): k<=n) <= 1;

permutation of the natural numbers with inverse A102513;

A102512 = a(a(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, A008966.

Sequence in context: A068457 A299402 A286451 * A206225 A208507 A216153

Adjacent sequences: A102507 A102508 A102509 * A102511 A102512 A102513

Keyword

nonn

Author

Reinhard Zumkeller, Jan 13 2005

Status

approved