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%I A083598 #18 Jun 05 2023 13:25:50
%S A083598 13390,17534,17535,37322,49055,51217,54936,63456,93041,102313,119629,
%T A083598 129328,130642,145266,154373,168318,171928,196073,202377,204243,
%U A083598 211058,211059,213051,215287,215288,235900,237791,254228,254524,275491,293800
%N A083598 Starting positions of strings of four 0's in the decimal expansion of Pi.
%H A083598 <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a>
%H A083598 Dave Andersen, <a href="http://www.angio.net/pi/piquery">Pi-Search Page</a>
%H A083598 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PiDigits.html">Pi Digits.</a>
%t A083598 Transpose[StringPosition[StringDrop[ToString[N[Pi,9! ]],2],"0000"]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 19 2009 *)
%t A083598 Flatten[Position[Partition[RealDigits[Pi,10,300000][[1]],4,1],{0,0,0,0}]]-1 (* _Harvey P. Dale_, Feb 27 2013 *)
%t A083598 SequencePosition[RealDigits[Pi,10,300000][[1]],{0,0,0,0}][[;;,1]]-1 (* _Harvey P. Dale_, Jun 05 2023 *)
%Y A083598 Cf. A050202 (three 0's), A083599 (five 0's).
%K A083598 nonn,base
%O A083598 1,1
%A A083598 _Rick L. Shepherd_, Apr 30 2003

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