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A050238 Starting positions of strings of 2 5's in the decimal expansion of Pi. 1
130, 177, 178, 315, 809, 914, 1101, 1139, 1169, 1232, 1233, 1256, 1362, 1450, 1451, 1499, 1517, 1570, 1663, 1725, 1744, 2090, 2216, 2222, 2359, 2360, 2481, 2622, 2674, 2675, 3016, 3047, 3204, 3304, 3554, 3579, 3588, 3895, 4003, 4016, 4072 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

Eric Weisstein's World of Mathematics, Pi Digits

Index entries for sequences related to the number Pi

MATHEMATICA

q=8!; z=5; a=RealDigits[Pi, 10, q]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; If[b==z&&c==z, AppendTo[lst, n-1]], {n, q-1}]; lst (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)

CROSSREFS

Sequence in context: A252362 A248943 A248649 * A115937 A298381 A299248

Adjacent sequences:  A050235 A050236 A050237 * A050239 A050240 A050241

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified July 18 21:25 EDT 2019. Contains 325144 sequences. (Running on oeis4.)