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A083637 Starting positions of strings of three 8's in the decimal expansion of Pi. 2
4751, 4752, 4985, 5871, 6070, 6850, 9338, 10229, 10527, 14298, 16763, 16910, 17164, 18483, 19469, 19752, 20337, 20807, 21225, 22192, 22216, 22770, 23079, 25062, 25196, 26886, 27750, 30086, 30633, 30687, 30796, 30797, 32251, 33850, 35639 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Index entries for sequences related to the number Pi

Dave Andersen, Pi-Search Page

Eric Weisstein's World of Mathematics, Pi Digits.

MATHEMATICA

q=9!; z=8; a=RealDigits[Pi, 10, q]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; d=a[[1]][[n+2]]; If[b==z&&c==z&&d==z, AppendTo[lst, n-1]], {n, q-2}]; lst (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)

SequencePosition[RealDigits[Pi, 10, 36000][[1]], {8, 8, 8}][[All, 1]]-1 (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 02 2018 *)

CROSSREFS

Cf. A050263 (two 8's), A083638 (four 8's).

Sequence in context: A093789 A252226 A252204 * A083638 A237553 A250467

Adjacent sequences:  A083634 A083635 A083636 * A083638 A083639 A083640

KEYWORD

base,nonn

AUTHOR

Rick L. Shepherd, May 05 2003

STATUS

approved

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Last modified October 21 18:36 EDT 2021. Contains 348155 sequences. (Running on oeis4.)