A118152 Start with 1 and repeatedly reverse the digits and add 56 to get the next term.

1, 57, 131, 187, 837, 794, 553, 411, 170, 127, 777, 833, 394, 549, 1001, 1057, 7557, 7613, 3223, 3279, 9779, 9835, 5445, 5501, 1111, 1167, 7667, 7723, 3333, 3389, 9889, 9945, 5555, 5611, 1221, 1277, 7777, 7833, 3443, 3499, 9999, 10055, 55057, 75111

Offset

1,2

Comments

After 13 steps enters a cycle of 207.

Links

Table of n, a(n) for n=1..44.

N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.

Mathematica

NestList[FromDigits[Reverse[IntegerDigits[#]]]+56&, 1, 60] (* Harvey P. Dale, Dec 12 2010 *)

Crossrefs

Cf. A117828, A117816, A117817.

Sequence in context: A304841 A240759 A154092 * A020186 A063316 A020284

Adjacent sequences: A118149 A118150 A118151 * A118153 A118154 A118155

Keyword

base,nonn,less

Author

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

Status

approved