A125975 Integers i, for which A125974(A125974(i)) = i.

0, 1, 2, 3, 5, 7, 10, 11, 12, 13, 15, 21, 31, 38, 39, 42, 43, 44, 45, 50, 51, 52, 53, 56, 57, 63, 85, 127, 142, 143, 150, 151, 154, 155, 156, 157, 166, 167, 170, 171, 172, 173, 178, 179, 180, 181, 184, 185, 198, 199, 202, 203, 204, 205, 210, 211, 212, 213, 216

Offset

0,3

Comments

The even terms seem to be the even terms of A031443 and some of the odd terms are produced by the composition A030101 o A014486.

Links

Table of n, a(n) for n=0..58.

Crossrefs

Sequence in context: A163975 A267521 A202267 * A046758 A121232 A298746

Adjacent sequences: A125972 A125973 A125974 * A125976 A125977 A125978

Keyword

nonn,base

Author

Antti Karttunen, Jan 02 2007

Status

approved