A118613 Start with 1 and repeatedly reverse the digits and add 27 to get the next term.

1, 28, 109, 928, 856, 685, 613, 343, 370, 100, 28, 109, 928, 856, 685, 613, 343, 370, 100, 28, 109, 928, 856, 685, 613, 343, 370, 100, 28, 109, 928, 856, 685, 613, 343, 370, 100, 28, 109, 928, 856, 685, 613, 343, 370, 100, 28, 109, 928, 856, 685, 613, 343, 370

Offset: 1

Author

Luc Stevens (lms022(AT)yahoo.com), May 08 2006

Keywords

• base
• nonn

Comments

After 1 step enters a cycle of length 9.

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, 1).

Crossrefs

Cf. A117828, A117816, A117817.

Programs

Mathematica

NestList[IntegerReverse[#]+27&,1,60] (* or *) PadRight[{1},60,{100,28,109,928,856,685,613,343,370}] (* Harvey P. Dale, Apr 20 2025 *)