%I A090069
%S A090069 3,8,20,22,100,101,116,122,139,151,160,215,221,238,313,314,320,337,343,
%T A090069 413,436,512,611,634,696,710,717,727,733,832,931,1004,1011,1070,1101,
%U A090069 1160,1250,1340,1430,1520,1610,1700,1771,2000,2002,2003,2010,2100,2112
%N A090069 Numbers n such that there are (presumably) eight palindromes in the Reverse 
               and Add! trajectory of n.
%C A090069 For terms <= 5000 each palindrome is reached from the preceding one or 
               from the start in at most 15 steps; after the presumably last one 
               no further palindrome is reached in 2000 steps.
%H A090069 <a href="Sindx_Res.html#RAA">Index entries for sequences related to Reverse 
               and Add!</a>
%e A090069 The trajectory of 8 begins 8, 16, 77, 154, 605, 1111, 2222, 4444, 8888, 
               17776, 85547, 160105, 661166, 1322332, 3654563, 7309126, ...; at 
               7309126 it joins the (presumably) palindrome-free trajectory of A063048(7) 
               = 10577, hence 8, 77,
%e A090069 1111, 2222, 4444, 8888, 661166 and 3654563 are the eight palindromes 
               in the trajectory of 8 and 8 is a term.
%Y A090069 Cf. A023108, A023109, A065001, A070742, A077594.
%Y A090069 Sequence in context: A047093 A060305 A009141 this_sequence A027299 A143785 
               A135565
%Y A090069 Adjacent sequences: A090066 A090067 A090068 this_sequence A090070 A090071 
               A090072
%K A090069 nonn,base
%O A090069 1,1
%A A090069 Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 20 2003