A083644 Starting positions of strings of five 9's in the decimal expansion of Pi.

762, 763, 19446, 56988, 161862, 193034, 193035, 220568, 456189, 626757, 1104484, 1143176, 1200370, 1240405, 1437382, 1500808, 1532245, 1593224, 1623041, 1681741, 1722776, 1722777, 1722778, 1985813, 1985814, 2280176, 2474024

Offset

1,1

Links

Table of n, a(n) for n=1..27.

Index entries for sequences related to the number Pi

Dave Andersen, Pi-Search Page

Eric Weisstein's World of Mathematics, Pi Digits.

Mathematica

Module[{nn=25*10^5, pid}, pid=RealDigits[Pi, 10, nn][[1]]; SequencePosition[pid, {9, 9, 9, 9, 9}]][[;; , 1]]-1 (* Harvey P. Dale, Dec 02 2024 *)

Crossrefs

Cf. A083643 (four 9's), A083645 (six 9's).

Sequence in context: A160033 A083642 A083643 * A061225 A253615 A253616

Adjacent sequences: A083641 A083642 A083643 * A083645 A083646 A083647

Keyword

base,nonn

Author

Rick L. Shepherd, May 06 2003

Status

approved