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A083642 Starting positions of strings of three 9's in the decimal expansion of Pi. 1
762, 763, 764, 765, 2949, 7759, 8527, 9962, 11197, 11382, 13019, 16687, 17119, 17561, 17988, 17989, 18680, 19437, 19438, 19446, 19447, 19448, 19748, 21579, 22309, 22753, 22754, 23989, 24107, 25584, 26069, 26490, 27602, 28122, 28320 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

Index entries for sequences related to the number Pi

Dave Andersen, Pi-Search Page

Eric Weisstein's World of Mathematics, Pi Digits.

MATHEMATICA

Transpose[ StringPosition[ StringDrop[ ToString[ N[Pi, 28588]], 2], "999"]][[1]]

Flatten[With[{p=Partition[RealDigits[Pi, 10, 30000][[1]], 3, 1]}, Position[p, {9, 9, 9}]]]-1 (* Harvey P. Dale, Jan 05 2013 *)

CROSSREFS

Cf. A050272 (two 9's), A083643 (four 9's).

Sequence in context: A141144 A139664 A160033 * A083643 A083644 A061225

Adjacent sequences:  A083639 A083640 A083641 * A083643 A083644 A083645

KEYWORD

base,nonn

AUTHOR

Rick L. Shepherd, May 05 2003

STATUS

approved

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Last modified October 21 13:24 EDT 2019. Contains 328299 sequences. (Running on oeis4.)