A050215 Starting positions of strings of 2 2's in the decimal expansion of Pi.

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

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 * A358778 A359597 A218417

Adjacent sequences: A050212 A050213 A050214 * A050216 A050217 A050218

Keyword

nonn,base

Author

Eric W. Weisstein

Status

approved