%I A113458
%S A113458 33,3,155,3,77,5,51,3,77,3,35,5,50,3,187,6,21,5,39,3,145,33,39,5,69,39,
%T A113458 91,3,33,7,15,12,221,3,28,7,21,3,55,3,33,5,91,66,209,69,35,5,50,3,115,
%U A113458 39,141,5,51,6,145,85,15,7,21,93,95,3,57,5,51,3,65,15,35,7,69,55,287,6
%N A113458 Least k such that k, k+n and k+2n have the same prime signature.
%C A113458 Third row of A113456.
%e A113458 a(4) = 3 because 3, 7 and 11 have the same prime signature.
%Y A113458 Cf. A052214 A113456 A113467.
%Y A113458 Sequence in context: A032445 A135088 A113467 this_sequence A120584 A123173 
               A147021
%Y A113458 Adjacent sequences: A113455 A113456 A113457 this_sequence A113459 A113460 
               A113461
%K A113458 easy,nonn
%O A113458 1,1
%A A113458 David Wasserman (dwasserm(AT)earthlink.net), Jan 08 2006