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A118536
Start with 1 and repeatedly reverse the digits and add 36 to get the next term.
1
1, 37, 109, 937, 775, 613, 352, 289, 1018, 8137, 7354, 4573, 3790, 1009, 9037, 7345, 5473, 3781, 1909, 9127, 7255, 5563, 3691, 1999, 10027, 72037, 73063, 36073, 37099, 99109, 90235, 53245, 54271, 17281, 18307, 70417, 71443, 34453, 35479, 97489, 98515, 51625
OFFSET
1,2
COMMENTS
This is the first known example of a sequence from this family which reaches a cycle of length 2.
That cycle begins at a(407) and is (64, 82). - Harvey P. Dale, Apr 12 2013
LINKS
FORMULA
After 406 steps enters a cycle of length 2.
MATHEMATICA
NestList[FromDigits[Reverse[IntegerDigits[#]]]+36&, 1, 500] (* Harvey P. Dale, Apr 12 2013 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 07 2006
EXTENSIONS
Corrected by Harvey P. Dale, Apr 12 2013
STATUS
approved