A118075 Start with 1 and repeatedly reverse the digits and add 42 to get the next term.

1, 43, 76, 109, 943, 391, 235, 574, 517, 757, 799, 1039, 9343, 3481, 1885, 5923, 3337, 7375, 5779, 9817, 7231, 1369, 9673, 3811, 1225, 5263, 3667, 7705, 5119, 9157, 7561, 1699, 10003, 30043, 34045, 54085, 58087, 78127, 72229, 92269, 96271, 17311, 11413

Offset

1,2

Comments

After 245 steps enters a cycle of length 57. Sequence gives first 50 terms. Cycle : 985, 631, 178, 913, 361, 205, 544, 487, 826, 670, 118, 853, 400, 46, 106, 643, 388, 925, 571, 217, 754, 499, 1036, 6343, 3478, 8785, 5920, 337, 775, 619, 958, 901, 151, 193, 433, 376, 715, 559, 997, 841, 190, 133, 373, 415, 556, 697, 868, 880, 130, 73, 79, 139, 973, 421, 166, 703, 349, 985 ...

Links

Table of n, a(n) for n=1..43.

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

Mathematica

NestList[FromDigits[Reverse[IntegerDigits[#]]]+42&, 1, 50] (* Harvey P. Dale, Oct 05 2014 *)

Crossrefs

Cf. A117828, A117816, A117817.

Sequence in context: A080177 A238248 A121957 * A236839 A183074 A289730

Adjacent sequences: A118072 A118073 A118074 * A118076 A118077 A118078

Keyword

base,nonn

Author

Luc Stevens (lms022(AT)yahoo.com), May 11 2006

Extensions

Corrected by Harvey P. Dale, Oct 05 2014

Status

approved