%I A037007
%S A037007 5,12,14,30,38,42,44,45,55,58,62,79,80,100,122,129,144,169,180,187,190,
%T A037007 193,199,208,214,247,249,259,284,294,328,331,336,341,353,356,388,391,
%U A037007 399,414,416,418,422,433,440,459,460,465,482,487,496,498,501,527
%N A037007 Positions of the digit '9' in the decimal expansion of Pi.
%H A037007 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PiDigits.html">Link to a section of The World of Mathematics.</a>
%t A037007 q=7!;a=RealDigits[Pi,10,q];lst={};Do[b=a[[1]][[n]];If[b==9,AppendTo[lst,
               n-1]],{n,2,q}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), 
               Jun 19 2009]
%Y A037007 Cf. A036974.
%Y A037007 Sequence in context: A110134 A014156 A114073 this_sequence A066025 A009824 
               A087090
%Y A037007 Adjacent sequences: A037004 A037005 A037006 this_sequence A037008 A037009 
               A037010
%K A037007 nonn,base
%O A037007 1,1
%A A037007 Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br)