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A083603
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Starting positions of strings of five 1's in the decimal expansion of Pi.
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2
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32788, 120459, 141899, 255945, 255946, 266894, 365783, 378301, 663429, 707038, 740956, 802226, 821500, 969110, 973525, 973670, 1084126, 1189427, 1247619, 1295214, 1312579, 1672127, 1876791, 2003018, 2030728, 2136234, 2170463
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..27.
Index entries for sequences related to the number Pi
Dave Andersen, Pi-Search Page
Eric Weisstein's World of Mathematics, Pi Digits.
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MATHEMATICA
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$MaxPrecision=10^8; a=RealDigits[Pi, 10, 4*9! ]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; d=a[[1]][[n+2]]; e=a[[1]][[n+3]]; f=a[[1]][[n+4]]; If[b==1&&c==1&&d==1&&e==1&&f==1, AppendTo[lst, n-1]], {n, 3*7!, 4*9!-4}]; lst (* Vladimir Joseph Stephan Orlovsky, Jun 07 2009 *)
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CROSSREFS
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Cf. A083602 (four 1's), A083604 (six 1's).
Sequence in context: A013963 A036093 A217357 * A168634 A045061 A183889
Adjacent sequences: A083600 A083601 A083602 * A083604 A083605 A083606
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KEYWORD
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base,nonn
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AUTHOR
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Rick L. Shepherd, May 01 2003
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STATUS
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approved
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