A083646 Starting positions of strings of seven 9's in the decimal expansion of Pi.

1722776, 3389380, 4313727, 5466169, 14593770, 15256174, 20202676, 36356642, 36356643, 39375939, 54971455, 66780105, 66780106, 78088568, 123921866, 125564426, 174904193, 195530904, 196790272, 209136149, 212168291, 219228757, 242798761, 249686197, 252761434, 270520788

Offset: 1

Author

Rick L. Shepherd, May 06 2003

Keywords

• nonn
• base

Links

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

Crossrefs

Cf. A083645 (six 9's).

Programs

Mathematica

SequencePosition[RealDigits[Pi,10,4*10^7][[1]],{9,9,9,9,9,9,9}][[All,1]]-1 (* The program generates the first 10 terms of the sequence. *) (* Harvey P. Dale, Jan 22 2023 *)

Extensions

More terms from Rick L. Shepherd, Aug 07 2006

More terms from Jinyuan Wang, Mar 01 2020