A118529 Start with 1 and repeatedly reverse the digits and add 12 to get the next term.
1, 13, 43, 46, 76, 79, 109, 913, 331, 145, 553, 367, 775, 589, 997, 811, 130, 43, 46, 76, 79, 109, 913, 331, 145, 553, 367, 775, 589, 997, 811, 130, 43, 46, 76, 79, 109, 913, 331, 145, 553, 367, 775, 589, 997, 811, 130, 43, 46, 76, 79, 109, 913, 331
Offset: 1
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.
- Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
Programs
-
Mathematica
NestList[IntegerReverse[#]+12&,1,60] (* Harvey P. Dale, Dec 16 2024 *)
Formula
After 2 steps enters a cycle of length 15.