Search: id:A048985
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%I A048985
%S A048985 1,2,3,10,5,11,7,42,15,21,11,43,13,23,29,170,17,47,19,85,31,43,23,171,
%T A048985 45,45,63,87,29,93,31,682,59,81,47,175,37,83,61,341,41,95,43,171,125,
%U A048985 87,47,683,63,173,113,173,53,191,91,343,115,93,59,349,61,95,127,2730
%N A048985 Working in base 2, replace n by the concatenation of its prime divisors 
               in increasing order (write answer in base 10).
%H A048985 P. De Geest, <a href="http://www.worldofnumbers.com/topic1.htm">Home 
               Primes</a>
%e A048985 15 = 3*5 -> 11.101 -> 11101 = 29, so a(15) = 29.
%Y A048985 Cf. A037276, A048986, A064841.
%Y A048985 Sequence in context: A130110 A031275 A119023 this_sequence A112417 A139693 
               A064946
%Y A048985 Adjacent sequences: A048982 A048983 A048984 this_sequence A048986 A048987 
               A048988
%K A048985 nonn,easy,nice,base
%O A048985 1,2
%A A048985 N. J. A. Sloane (njas(AT)research.att.com).
%E A048985 More terms from Sam Alexander (pink2001x(AT)hotmail.com) and Michel ten 
               Voorde (seqfan(AT)tenvoorde.org)

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