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A083610
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Starting positions of strings of 3 3's in the decimal expansion of Pi.
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1
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1698, 4928, 6917, 7651, 8413, 8736, 8828, 12520, 17614, 21973, 22580, 22704, 22749, 23471, 25094, 25179, 28467, 28468, 28469, 30583, 32631, 33095, 35838, 37507, 38597, 41392, 42438, 42734, 45756, 48033, 48207, 48369, 49287, 50547, 52794
(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
| q=9!; z=3; a=RealDigits[Pi, 10, q]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; d=a[[1]][[n+2]]; If[b==z&&c==z&&d==z, AppendTo[lst, n-1]], {n, q-2}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 19 2009]
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CROSSREFS
| Cf. A050222 (two 3's), A083611 (four 3's).
Sequence in context: A120564 A089674 A126720 * A020405 A091368 A159464
Adjacent sequences: A083607 A083608 A083609 * A083611 A083612 A083613
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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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