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A083606
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Starting positions of strings of 3 2's in the decimal expansion of Pi.
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1
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1735, 1889, 2278, 2376, 3434, 4902, 4903, 7911, 7964, 7965, 9203, 9293, 9334, 10427, 11704, 12486, 12487, 12857, 13040, 13562, 13725, 14668, 16679, 17619, 17882, 19099, 19479, 21576, 25469, 26266, 26959, 27433, 29447, 30291, 30454, 30527
(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
Dave Andersen, Pi-Search Page
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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MATHEMATICA
| a=RealDigits[Pi, 10, 7*7! ]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; d=a[[1]][[n+2]]; If[b==2&&c==2&&d==2, AppendTo[lst, n-1]], {n, 6!, 7*7!-2}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 07 2009]
#-1&/@(Flatten[Position[Union[#]&/@Partition[RealDigits[Pi, 10, 35000][[1]], 3, 1], {2}]]) (* From Harvey P. Dale, Oct 01 2011 *)
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CROSSREFS
| Cf. A050215 (two 2's), A083607 (four 2's).
Sequence in context: A008745 A179914 A113701 * A095847 A185766 A179160
Adjacent sequences: A083603 A083604 A083605 * A083607 A083608 A083609
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KEYWORD
| base,nonn
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AUTHOR
| Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 01 2003
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