A118520 Define sequence S_m by: initial term = m, reverse digits and add 3 to get next term. Entry shows S_5. This reaches a cycle of length 6 in 2 steps.

5, 8, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80, 11, 14, 44, 47, 77, 80

Offset: 1

Author

N. J. A. Sloane, May 06 2006

Keywords

• nonn
• base

Links

• 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, 1).

Crossrefs

Cf. A117831, A118517 on.

Programs

Mathematica

Join[{5,8},LinearRecurrence[{0,0,0,0,0,1},{11,14,44,47,77,80},66]] (* Ray Chandler, Jul 18 2015 *)

Formula

a(n) = A118518(n+1). - R. J. Mathar, Sep 02 2013