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%I #20 Mar 01 2020 01:10:23
%S 3346228,3775287,14233532,24658601,24658602,24658603,35875631,
%T 43694095,49894382,62186154,66572803,71028071,72197101,79443657,
%U 82144203,82144204,98539214,140465346,142032741,145827935,150841049,169354584,175962557,200761136,206408340,224615219
%N Starting positions of strings of seven 7's in the decimal expansion of Pi.
%H Dave Andersen, <a href="http://www.angio.net/pi/piquery">Pi-Search Page</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PiDigits.html">Pi Digits.</a>
%H <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a>
%t SequencePosition[RealDigits[Pi,10,170*10^6][[1]],{7,7,7,7,7,7,7}][[All,1]]-1 (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Apr 01 2018 *)
%Y Cf. A083634 (six 7's), A083636 (eight 7's).
%K nonn,base
%O 1,1
%A _Rick L. Shepherd_, May 05 2003
%E More terms from _Rick L. Shepherd_, Aug 07 2006
%E More terms from _Jinyuan Wang_, Mar 01 2020
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