Search: id:A138139
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%I A138139
%S A138139 2,2,2,2,3,2,2,3,3,2,2,3,5,3,2,2,3,5,5,3,2,2,3,5,7,5,3,2,2,3,5,7,7,
%T A138139 5,3,2,2,3,5,7,11,7,5,3,2,2,3,5,7,11,11,7,5,3,2,2,3,5,7,11,13,11,7,
%U A138139 5,3,2
%N A138139 Triangle read by rows: row n contains n terms and each column lists the 
               prime numbers A000040.
%e A138139 Triangle begins:
%e A138139 ..... 2
%e A138139 .... 2,2
%e A138139 ... 2,3,2
%e A138139 .. 2,3,3,2
%e A138139 . 2,3,5,3,2
%Y A138139 Cf. A000040, A003983.
%Y A138139 Sequence in context: A047931 A033618 A061357 this_sequence A127992 A067595 
               A134868
%Y A138139 Adjacent sequences: A138136 A138137 A138138 this_sequence A138140 A138141 
               A138142
%K A138139 easy,nonn,tabl,more
%O A138139 1,1
%A A138139 Omar E. Pol (info(AT)polprimos.com), Mar 09 2008, Mar 25 2008

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