A087792 Indices n such that S^n(1) is an integer where S(x) = 4/3*ceiling(x).

0, 3, 5, 8, 10, 11, 12, 21, 24, 27, 33, 35, 36, 37, 39, 43, 49, 51, 64, 71, 75, 76, 78, 80, 82, 86, 92, 98, 102, 104, 120, 121, 122, 128, 132, 133, 134, 139, 140, 145, 147, 150, 152, 155, 156, 157, 158, 163, 168, 170, 171, 173, 175, 177, 185, 187, 193, 196, 202, 204

Offset

0,2

Links

Table of n, a(n) for n=0..59.

Formula

Conjecture : a(n)=3n+O(sqrt(n))

Crossrefs

Sequence in context: A067241 A360030 A120943 * A192881 A189755 A141436

Adjacent sequences: A087789 A087790 A087791 * A087793 A087794 A087795

Keyword

nonn

Author

Benoit Cloitre, Oct 07 2003

Status

approved