Search: id:A109671
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%I A109671
%S A109671 2,3,22,5,23,7,222,33,25,11,223,13,27,35,2222,17,233,19,225,37,211
%N A109671 Numbers n > 1 written "as is" if prime or as a concatenation of the prime 
               divisors of n if n is composite.
%F A109671 a(n)=A037276(n), n>1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Aug 18 2008]
%e A109671 If n=2^3*5^5*11^2 = 3025000, n is written 222555551111 ( n=2*2*2*5*5*5*5*5*11*11, 
               then just remove the stars).
%Y A109671 Sequence in context: A080670 A073647 A073646 this_sequence A037276 A068190 
               A084796
%Y A109671 Adjacent sequences: A109668 A109669 A109670 this_sequence A109672 A109673 
               A109674
%K A109671 easy,nonn
%O A109671 2,1
%A A109671 Pierre CAMI (pierrecami(AT)tele2.fr), Aug 06 2005

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