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Start with 1 and repeatedly reverse the digits and add 74 to get the next term.
1

%I #14 Jan 05 2022 14:43:44

%S 1,75,131,205,576,749,1021,1275,5795,6049,9480,923,403,378,947,823,

%T 402,278,946,723,401,178,945,623,400,78,161,235,606,680,160,135,605,

%U 580,159,1025,5275,5799,10049,94075,57123,32249,94297,79323,32471,17497,79545

%N Start with 1 and repeatedly reverse the digits and add 74 to get the next term.

%C After 192 steps enters a cycle of 90.

%H Harvey P. Dale, <a href="/A118225/b118225.txt">Table of n, a(n) for n = 1..1000</a>

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

%t NestList[74+IntegerReverse[#]&,1,50] (* _Harvey P. Dale_, Jan 05 2022 *)

%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(14) corrected by _Georg Fischer_, Jul 17 2020