A118533 Start with 1 and repeatedly reverse the digits and add 16 to get the next term.

1, 17, 87, 94, 65, 72, 43, 50, 21, 28, 98, 105, 517, 731, 153, 367, 779, 993, 415, 530, 51, 31, 29, 108, 817, 734, 453, 370, 89, 114, 427, 740, 63, 52, 41, 30, 19, 107, 717, 733, 353, 369, 979, 995, 615, 532, 251, 168, 877, 794, 513, 331, 149, 957

Offset

1,2

Links

Table of n, a(n) for n=1..54.

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

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Formula

After 721 steps enters a cycle of length 90.

Mathematica

NestList[FromDigits[Reverse[IntegerDigits[#]]]+16&, 1, 60] (* Harvey P. Dale, Jul 19 2011 *)

Crossrefs

Cf. A117828, A117816, A117817.

Sequence in context: A041554 A080770 A118863 * A061679 A271567 A231704

Adjacent sequences: A118530 A118531 A118532 * A118534 A118535 A118536

Keyword

nonn,base

Author

N. J. A. Sloane, May 06 2006

Status

approved