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A050215
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Starting positions of strings of 2 2's in the decimal expansion of Pi.
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1
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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; internal format)
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OFFSET
| 1,1
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LINKS
| Index entries for sequences related to the number Pi
Eric Weisstein's World of Mathematics, Pi Digits
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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 [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 07 2009]
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CROSSREFS
| Sequence in context: A066176 A025363 A096593 * A176313 A159201 A157734
Adjacent sequences: A050212 A050213 A050214 * A050216 A050217 A050218
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KEYWORD
| nonn,base
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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