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A050215 Starting positions of strings of 2 2's in the decimal expansion of Pi. 1
135, 185, 484, 535, 661, 687, 824, 964, 1070, 1397, 1735, 1736, 1840, 1889, 1890, 1910, 2036, 2042, 2140, 2278, 2279, 2372, 2376, 2377, 2412, 2432, 2527, 2551, 2651, 3019, 3080, 3389, 3402, 3434, 3435, 3604, 3883, 3944, 3988, 4233, 4375 (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

a=RealDigits[Pi, 10, 7! ]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; If[b==2&&c==2, AppendTo[lst, n-1]], {n, 7!-1}]; lst (* Vladimir Joseph Stephan Orlovsky, Jun 07 2009 *)

CROSSREFS

Cf. A000796.

Sequence in context: A025363 A296451 A096593 * A218417 A274434 A325569

Adjacent sequences:  A050212 A050213 A050214 * A050216 A050217 A050218

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified July 23 19:33 EDT 2019. Contains 325263 sequences. (Running on oeis4.)