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Start with 1 and repeatedly reverse the digits and add 55 to get the next term.
1

%I #9 Jul 17 2020 13:05:09

%S 1,56,120,76,122,276,727,782,342,298,947,804,463,419,969,1024,4256,

%T 6579,9811,1244,4476,6799,10031,13056,65086,68111,11241,14266,66296,

%U 69321,12451,15476,67506,60631,13661,16686,68716,61841,14871,17896,69926

%N Start with 1 and repeatedly reverse the digits and add 55 to get the next term.

%C After 1371 steps enters a cycle of 36.

%H Georg Fischer, <a href="/A118161/b118161.txt">Table of n, a(n) for n = 1..2000</a>

%H N. J. A. Sloane and others, <a href="/wiki/Sequences_of_RADD_type">Sequences of RADD type</a>, OEIS wiki.

%Y Cf. A117828, A117816, A117817.

%K base,nonn,less,easy

%O 1,2

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

%E a(23) ff. corrected by _Georg Fischer_, Jul 17 2020