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

Author

Rick L. Shepherd, May 06 2003

Keywords

• base
• nonn

Links

• Index entries for sequences related to the number Pi
• Dave Andersen, Pi-Search Page
• Eric Weisstein's World of Mathematics, Pi Digits.

Crossrefs

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

Programs

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 *)