A083598 Starting positions of strings of four 0's in the decimal expansion of Pi.

13390, 17534, 17535, 37322, 49055, 51217, 54936, 63456, 93041, 102313, 119629, 129328, 130642, 145266, 154373, 168318, 171928, 196073, 202377, 204243, 211058, 211059, 213051, 215287, 215288, 235900, 237791, 254228, 254524, 275491, 293800

Offset

1,1

Links

Table of n, a(n) for n=1..31.

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, 9! ]], 2], "0000"]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)
Flatten[Position[Partition[RealDigits[Pi, 10, 300000][[1]], 4, 1], {0, 0, 0, 0}]]-1 (* Harvey P. Dale, Feb 27 2013 *)
SequencePosition[RealDigits[Pi, 10, 300000][[1]], {0, 0, 0, 0}][[;; , 1]]-1 (* Harvey P. Dale, Jun 05 2023 *)

Crossrefs

Cf. A050202 (three 0's), A083599 (five 0's).

Sequence in context: A252240 A220060 A207048 * A238295 A291913 A015300

Adjacent sequences: A083595 A083596 A083597 * A083599 A083600 A083601

Keyword

nonn,base

Author

Rick L. Shepherd, Apr 30 2003

Status

approved