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Starting positions of strings of six 5's in the decimal expansion of Pi.
3

%I #14 Apr 14 2019 09:37:19

%S 244453,253209,419997,3517236,3517237,5168161,5892331,6381473,7449552,

%T 9325203,9325204,9824810,10519242,10519243,12662227,12687789,13088126,

%U 14714103,15859192,16767908,18109837,21826210,22619752,23198726

%N Starting positions of strings of six 5'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,10,232*10^5][[1]],{5,5,5,5,5,5}][[All,1]]-1 (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Apr 14 2019 *)

%Y Cf. A083622 (five 5's), A083624 (seven 5's).

%K base,nonn

%O 1,1

%A _Rick L. Shepherd_, May 02 2003