Search: id:A050230
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%I A050230
%S A050230 59,125,182,201,217,453,511,655,726,804,833,1249,1252,1508,1639,1904,
%T A050230 2085,2261,2309,2350,2707,2708,2764,2799,2827,2845,2928,2929,3109,3139,
%U A050230 3372,3476,3477,3681,3717,3787,3809,3810,3851,3866,3867,3905
%N A050230 Starting positions of strings of 2 4's in the decimal expansion of Pi.
%H A050230 <a href="Sindx_Ph.html#Pi314">Index entries for sequences related to 
               the number Pi</a>
%H A050230 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 A050230 q=8!;z=4;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 A050230 Sequence in context: A141934 A044246 A044627 this_sequence A138633 A098032 
               A139994
%Y A050230 Adjacent sequences: A050227 A050228 A050229 this_sequence A050231 A050232 
               A050233
%K A050230 nonn
%O A050230 1,1
%A A050230 Eric Weisstein (eric(AT)weisstein.com)

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