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

1,1

Links

Table of n, a(n) for n=1..26.

Dave Andersen, Pi-Search Page

Eric Weisstein's World of Mathematics, Pi Digits.

Index entries for sequences related to the number Pi

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 *)

Crossrefs

Cf. A083645 (six 9's).

Sequence in context: A257382 A233633 A151639 * A157858 A157862 A186586

Adjacent sequences: A083643 A083644 A083645 * A083647 A083648 A083649

Keyword

nonn,base

Author

Rick L. Shepherd, May 06 2003

Extensions

More terms from Rick L. Shepherd, Aug 07 2006

More terms from Jinyuan Wang, Mar 01 2020

Status

approved