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A102510 If n is squarefree then A090705(A100112(n)) else n. 5
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 28 13:05 EST 2020. Contains 331321 sequences. (Running on oeis4.)