A086962 a(A086957(n))=A086957(n), a(A086958(n))=A086959(n), a(A086959(n))=A086958(n), see A086956.

1, 3, 2, 4, 5, 8, 7, 6, 9, 25, 11, 15, 13, 21, 12, 16, 17, 18, 19, 24, 14, 33, 23, 20, 10, 39, 27, 28, 29, 36, 31, 32, 22, 51, 35, 30, 37, 57, 26, 48, 41, 56, 43, 44, 54, 69, 47, 40, 49, 50, 34, 52, 53, 45, 55, 42, 38, 87, 59, 70, 61, 93, 63, 64, 65, 88, 67, 68, 46

Offset

1,2

Comments

A self-inverse permutation of natural numbers: a(a(n))=n;

a(n) = A086962(A086963(n)) = A086963(A086962(n)).

Links

Table of n, a(n) for n=1..69.

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A086572, A086571.

Sequence in context: A326357 A354731 A164287 * A001612 A275901 A305369

Adjacent sequences: A086959 A086960 A086961 * A086963 A086964 A086965

Keyword

nonn

Author

Reinhard Zumkeller, Jul 25 2003

Status

approved