A085240 As exponents in powers of 2 or 3 (A006899) occur in A085238 exactly twice, a self-inverse permutation of natural numbers is induced.

2, 1, 5, 7, 3, 10, 4, 12, 15, 6, 18, 8, 20, 23, 9, 25, 28, 11, 31, 13, 33, 36, 14, 38, 16, 41, 43, 17, 46, 49, 19, 51, 21, 54, 56, 22, 59, 24, 62, 64, 26, 67, 27, 69, 72, 29, 74, 77, 30, 80, 32, 82, 85, 34, 87, 35, 90, 93, 37, 95, 98, 39, 100, 40, 103, 105, 42, 108

Offset

1,1

Comments

A085238(n)=A085238(a(n)); a(a(n))=n.

Links

Table of n, a(n) for n=1..68.

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Sequence in context: A059039 A332022 A109261 * A002251 A093545 A293845

Adjacent sequences: A085237 A085238 A085239 * A085241 A085242 A085243

Keyword

nonn

Author

Reinhard Zumkeller, Jun 22 2003

Status

approved