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Start with 19 and repeatedly reverse the digits and add 1 to get the next term.
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%I #9 Feb 21 2023 15:40:24

%S 19,92,30,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,

%T 5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,

%U 10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9

%N Start with 19 and repeatedly reverse the digits and add 1 to get the next term.

%C After 3 steps enters a cycle of length 9.

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

%t NestList[IntegerReverse[#]+1&,19,100] (* or *) PadRight[{19,92,30},100,{10,2,3,4,5,6,7,8,9}] (* _Harvey P. Dale_, Feb 21 2023 *)

%Y Cf. A118551.

%K base,nonn

%O 1,1

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