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Start with 1 and repeatedly reverse the digits and add 56 to get the next term.
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%I #9 May 26 2014 23:48:47

%S 1,57,131,187,837,794,553,411,170,127,777,833,394,549,1001,1057,7557,

%T 7613,3223,3279,9779,9835,5445,5501,1111,1167,7667,7723,3333,3389,

%U 9889,9945,5555,5611,1221,1277,7777,7833,3443,3499,9999,10055,55057,75111

%N Start with 1 and repeatedly reverse the digits and add 56 to get the next term.

%C After 13 steps enters a cycle of 207.

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

%t NestList[FromDigits[Reverse[IntegerDigits[#]]]+56&,1,60] (* _Harvey P. Dale_, Dec 12 2010 *)

%Y Cf. A117828, A117816, A117817.

%K base,nonn,less

%O 1,2

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