A118218 Start with 1 and repeatedly reverse the digits and add 71 to get the next term.

1, 72, 98, 160, 132, 302, 274, 543, 416, 685, 657, 827, 799, 1068, 8672, 2839, 9453, 3620, 334, 504, 476, 745, 618, 887, 859, 1029, 9272, 2800, 153, 422, 295, 663, 437, 805, 579, 1046, 6472, 2817, 7253, 3598, 9024, 4280, 895, 669, 1037, 7372, 2808, 8153

Offset

1,2

Comments

After 33 steps enters a cycle of 18.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

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

Mathematica

NestList[IntegerReverse[#]+71&, 1, 50] (* Harvey P. Dale, Feb 18 2026 *)

Crossrefs

Cf. A117828, A117816, A117817.

Sequence in context: A271329 A307867 A099943 * A242186 A205189 A258695

Adjacent sequences: A118215 A118216 A118217 * A118219 A118220 A118221

Keyword

base,nonn,less

Author

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

Status

approved