%I A113457
%S A113457 1,3,3,213,213,1383,3091,8129
%N A113457 Least number that begins an n-term arithmetic progression with common 
               difference 2 in which all terms have the same prime signature.
%C A113457 Second column of A113456. a(9) >= 37887000000.
%Y A113457 Cf. A092209 A113456 A113466.
%Y A113457 Sequence in context: A071536 A094755 A152418 this_sequence A113466 A007301 
               A009715
%Y A113457 Adjacent sequences: A113454 A113455 A113456 this_sequence A113458 A113459 
               A113460
%K A113457 hard,nonn,less
%O A113457 1,2
%A A113457 David Wasserman (dwasserm(AT)earthlink.net), Jan 08 2006