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A050208 Starting positions of strings of 2 1's in the decimal expansion of Pi. 8
94, 153, 154, 174, 362, 395, 427, 437, 445, 494, 709, 758, 846, 921, 983, 984, 1129, 1185, 1349, 1503, 1534, 1656, 1849, 1896, 2458, 2497, 2724, 2740, 2779, 2904, 3253, 3398, 3493, 3503, 3504, 3534, 3735, 3822, 3844, 3847, 3963, 3992, 3993 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

Eric Weisstein's World of Mathematics, Pi Digits

Index entries for sequences related to the number Pi

MATHEMATICA

a=RealDigits[Pi, 10, 8! ]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; If[b==1&&c==1, AppendTo[lst, n-1]], {n, 8!-1}]; lst (* Vladimir Joseph Stephan Orlovsky, Jun 02 2009 *)

Flatten[Position[Partition[RealDigits[Pi, 10, 4000][[1]], 2, 1], _?(#=={1, 1}&) ]]-1 (* Harvey P. Dale, Dec 01 2013 *)

CROSSREFS

Cf. A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777, A134212, A134213, A134214, A134215, A134216, A134217, A134218, A134218, A134219.

Sequence in context: A020355 A039551 A100767 * A035117 A096755 A050965

Adjacent sequences:  A050205 A050206 A050207 * A050209 A050210 A050211

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

EXTENSIONS

Edited by N. J. A. Sloane, Aug 10 2010

STATUS

approved

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Last modified July 18 15:37 EDT 2019. Contains 325144 sequences. (Running on oeis4.)