%I A138487
%S A138487 3,13,1311,3113,2321,112213,133122,222123,134211,31121413,23411412,
%T A138487 22312413,23211432,32231421,21321423,23321421,21321423,23321421,
%U A138487 21321423,23321421,21321423,23321421,21321423,23321421,21321423
%N A138487 Say what you see in previous term, from the right, reporting total number 
               for each digit encountered. Initial term is 3.
%C A138487 After a while sequence has period 2 -> {21321423,23321421}
%e A138487 To get the term after 112213, we say: one 3's, three 1's, two 2's, so 
               133122
%Y A138487 Cf. A063850, A022482, A005150, A005151, A006751, A006715, A006711, A022506-A022513, 
               A138484-A138486, A138488-A138493.
%Y A138487 Sequence in context: A118628 A112513 A006715 this_sequence A022507 A108583 
               A119987
%Y A138487 Adjacent sequences: A138484 A138485 A138486 this_sequence A138488 A138489 
               A138490
%K A138487 easy,nonn,base
%O A138487 0,1
%A A138487 Paolo P. Lava & Giorgio Balzarotti (ppl(AT)spl.at), Mar 20 2008