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A083626 Starting positions of strings of four 6's in the decimal expansion of Pi. 2
21880, 29868, 32427, 43523, 48439, 48440, 59983, 64870, 74392, 100537, 102387, 102388, 124494, 131591, 140744, 140745, 141919, 147343, 151265, 161077, 162317, 166974, 180722, 194824, 200045, 226102, 250129, 250130, 252499, 252500, 252501 (list; graph; refs; listen; history; text; internal format)
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], "6666"]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)

Flatten[Position[Partition[RealDigits[Pi, 10, 260000][[1]], 4, 1], {6, 6, 6, 6}]]-1 (* Harvey P. Dale, Apr 27 2012 *)

CROSSREFS

Cf. A083625 (three 6's), A083627 (five 6's).

Sequence in context: A069312 A022206 A251510 * A234214 A031647 A045109

Adjacent sequences:  A083623 A083624 A083625 * A083627 A083628 A083629

KEYWORD

base,nonn

AUTHOR

Rick L. Shepherd, May 03 2003

STATUS

approved

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Last modified August 24 02:32 EDT 2019. Contains 326260 sequences. (Running on oeis4.)