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A118220 Start with 1 and repeatedly reverse the digits and add 72 to get the next term. 0
1, 73, 109, 973, 451, 226, 694, 568, 937, 811, 190, 163, 433, 406, 676, 748, 919, 991, 271, 244, 514, 487, 856, 730, 109, 973, 451, 226, 694, 568, 937, 811, 190, 163, 433, 406, 676, 748, 919, 991, 271, 244, 514, 487, 856, 730, 109, 973, 451, 226, 694, 568 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

After 2 steps enters a cycle of length 22.

LINKS

Table of n, a(n) for n=1..52.

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

MATHEMATICA

NestList[IntegerReverse[#]+72&, 1, 60] (* Requires Mathematica version 10 or later *) (* or *) PadRight[{1, 73}, 60, {856, 730, 109, 973, 451, 226, 694, 568, 937, 811, 190, 163, 433, 406, 676, 748, 919, 991, 271, 244, 514, 487}] (* Harvey P. Dale, Apr 15 2020 *)

CROSSREFS

Cf. A117828, A117816, A117817.

Sequence in context: A180522 A238679 A157120 * A144050 A087878 A142196

Adjacent sequences:  A118217 A118218 A118219 * A118221 A118222 A118223

KEYWORD

base,nonn,less

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), May 14 2006

EXTENSIONS

Corrected by Harvey P. Dale, Apr 15 2020

STATUS

approved

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Last modified September 24 07:49 EDT 2021. Contains 347623 sequences. (Running on oeis4.)