%I A050272
%S A050272 44,79,459,705,747,762,763,764,765,766,777,1063,1073,1385,1395,1428,
%T A050272 1477,1532,1730,1981,2000,2071,2114,2218,2241,2285,2335,2436,2644,2796,
%U A050272 2910,2949,2950,3089,3217,3294,3508,3564,3570,3673,3678,3710
%N A050272 Starting positions of strings of 2 9's in the decimal expansion of Pi.
%H A050272 <a href="Sindx_Ph.html#Pi314">Index entries for sequences related to
the number Pi</a>
%H A050272 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 A050272 q=8!;z=9;a=RealDigits[Pi,10,q];lst={};Do[b=a[[1]][[n]];c=a[[1]][[n+1]];
If[b==z&&c==z,AppendTo[lst,n-1]],{n,q-1}];lst [From Vladimir Orlovsky
(4vladimir(AT)gmail.com), Jun 19 2009]
%Y A050272 Sequence in context: A039386 A043209 A043989 this_sequence A116611 A112721
A118087
%Y A050272 Adjacent sequences: A050269 A050270 A050271 this_sequence A050273 A050274
A050275
%K A050272 nonn
%O A050272 1,1
%A A050272 Eric Weisstein (eric(AT)weisstein.com)
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