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A118602
Start with 1 and repeatedly reverse the digits and add 21 to get the next term.
0
1, 22, 43, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763, 388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763, 388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763, 388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58
OFFSET
1,2
COMMENTS
After 3 steps enters a cycle of length 15.
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
MATHEMATICA
NestList[IntegerReverse[#]+21&, 1, 120] (* or *) PadRight[{1, 22, 43}, 120, {388, 904, 430, 55, 76, 88, 109, 922, 250, 73, 58, 106, 622, 247, 763}] (* Harvey P. Dale, Apr 13 2017 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 08 2006
EXTENSIONS
Corrected by Harvey P. Dale, Apr 13 2017
STATUS
approved