A113700 Members of 2-cycles of permutation A111273.

2, 3, 50, 75, 122, 174, 183, 194, 203, 291, 338, 410, 507, 615, 722, 794, 842, 914, 1058, 1082, 1083, 1154, 1182, 1191, 1202, 1263, 1346, 1371, 1379, 1442, 1562, 1572, 1587, 1623, 1682, 1703, 1731, 1778, 1803, 1922, 2018, 2019, 2066, 2163, 2343, 2354, 2426

Offset

1,1

Comments

Trajectory of n under map k -> A111273(k) is periodic with period length 2.

n = A111273(A111273(n)) and n <> A111273(n).

Apparently A111273 has infinitely many 2-cycles.

Links

Table of n, a(n) for n=1..47.

Example

A111273(122) = 183 and A111273(183) = 122, hence 122 and 183 are in the
sequence.

Crossrefs

Cf. A111273, A113659, A113701.

Sequence in context: A208204 A067092 A041133 * A065646 A268251 A090508

Adjacent sequences: A113697 A113698 A113699 * A113701 A113702 A113703

Keyword

nonn

Author

Klaus Brockhaus, Nov 08 2005

Status

approved