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%I #18 Mar 01 2020 05:41:36
%S 762,193034,1722776,1722777,1985813,2878443,3062881,3389380,3389381,
%T 3529731,4313727,4313728,5466169,5466170,6951812,7298585,8498459,
%U 11295221,12943563,13347753,14388723,14593770,14593771,14670295,15256174,15256175,15866194,16192557,16785635
%N Starting positions of strings of six 9'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,10,15*10^6][[1]],{9,9,9,9,9,9}][[All,1]]-1 (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Mar 19 2017 *)
%Y Cf. A083644 (five 9's), A083646 (seven 9's).
%K nonn,base
%O 1,1
%A _Rick L. Shepherd_, May 06 2003
%E More terms from _Jinyuan Wang_, Mar 01 2020