%I #10 Sep 03 2017 11:27:59
%S 3,7,11,15,55,59,99,103,305,507,709,911,123,325,527,729,931,143,345,
%T 547,749,951,163,365,567,769,971,183,385,587,789,991,203,306,607,710,
%U 21,16,65,60,10,5,9,13,35,57,79,101,105,505,509,909,913,323,327,727,731,141,145
%N Start with 3 and repeatedly reverse the digits and add 4 to get the next term.
%H N. J. A. Sloane and others, <a href="/wiki/Sequences_of_RADD_type">Sequences of RADD type</a>, OEIS wiki.
%H <a href="/index/Rec#order_54">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
%F Has period 54: see A117827, A117830.
%p read transforms; t1:=[3]; for n from 1 to 80 do t1:=[op(t1),4+digrev(t1[n])]; od: # _N. J. A. Sloane_
%Y Cf. A117827, A117828, A117830.
%K nonn,base
%O 1,1
%A Luc Stevens (lms022(AT)yahoo.com), Apr 06 2006
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