login
A118512
Define sequence S_m by: initial term = m, reverse digits and add 1 to get next term. Entry shows S_11. This reaches a cycle of length 9 in 18 steps.
3
11, 12, 22, 23, 33, 34, 44, 45, 55, 56, 66, 67, 77, 78, 88, 89, 99, 100, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10
OFFSET
1,1
LINKS
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
MATHEMATICA
NestList[FromDigits[Reverse[IntegerDigits[#]]]+1&, 11, 90] (* Harvey P. Dale, Oct 16 2011 *)
Join[{11, 12, 22, 23, 33, 34, 44, 45, 55, 56, 66, 67, 77, 78, 88, 89, 99, 100}, LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 1}, {2, 3, 4, 5, 6, 7, 8, 9, 10}, 72]] (* Ray Chandler, Jul 18 2015 *)
NestList[IntegerReverse[#]+1&, 11, 90] (* Harvey P. Dale, Oct 13 2024 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, May 06 2006
STATUS
approved