A118531 Start with 1 and repeatedly reverse the digits and add 14 to get the next term.

1, 15, 65, 70, 21, 26, 76, 81, 32, 37, 87, 92, 43, 48, 98, 103, 315, 527, 739, 951, 173, 385, 597, 809, 922, 243, 356, 667, 780, 101, 115, 525, 539, 949, 963, 383, 397, 807, 722, 241, 156, 665, 580, 99, 113, 325, 537, 749, 961, 183, 395, 607, 720

Offset

1,2

Links

Table of n, a(n) for n=1..53.

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

Index entries for periodic sequences, period 72.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Formula

After 15 steps enters a cycle of length 72.

Mathematica

NestList[FromDigits[Reverse[IntegerDigits[#]]]+14&, 1, 60] (* Harvey P. Dale, Jul 11 2013 *)

Crossrefs

Cf. A117828, A117816, A117817.

Sequence in context: A082825 A274444 A118861 * A144710 A096905 A147857

Adjacent sequences: A118528 A118529 A118530 * A118532 A118533 A118534

Keyword

nonn,base,easy

Author

N. J. A. Sloane, May 06 2006

Status

approved