Search: id:A072725
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%I A072725
%S A072725 1,4,823
%N A072725 Integers which are exactly the concatenation of the first m numbers (A007908) 
               divided by their sum (A000217 = m*(m+1)/2).
%C A072725 A probability argument suggests that this sequence may be finite.
%e A072725 a(1) = 1/1 =1; a(2) = 12/(1+2) = 4; a(3) = 12345/(1+2+3+4+5).
%Y A072725 Cf. A067116, A072723, A072724.
%Y A072725 Sequence in context: A007725 A102195 A114766 this_sequence A113896 A159706 
               A006030
%Y A072725 Adjacent sequences: A072722 A072723 A072724 this_sequence A072726 A072727 
               A072728
%K A072725 base,nonn,bref
%O A072725 1,2
%A A072725 Henry Bottomley (se16(AT)btinternet.com), Jul 06 2002

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