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Starting positions of strings of five 6's in the decimal expansion of Pi.
2

%I #14 Jan 12 2019 19:04:47

%S 48439,102387,140744,250129,252499,252500,309379,363995,375601,450347,

%T 483202,595298,722275,850138,964604,1109283,1268703,1367754,1373818,

%U 1381298,1676919,1717341,1819654,1901872,1924024,2088622,2162433

%N Starting positions of strings of five 6's in the decimal expansion of Pi.

%H <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a>

%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>

%t SequencePosition[RealDigits[Pi,10,2163000][[1]],{6,6,6,6,6}][[All,1]]-1 (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jan 12 2019 *)

%Y Cf. A083626 (four 6's), A083628 (six 6's).

%K base,nonn

%O 1,1

%A _Rick L. Shepherd_, May 03 2003