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A083620
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Starting positions of strings of three 5's in the decimal expansion of Pi.
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1
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177, 1232, 1450, 2359, 2674, 7245, 7317, 7681, 10145, 10493, 11319, 14176, 17052, 18353, 18717, 18760, 19811, 20535, 20982, 21290, 22011, 22584, 23103, 24466, 24467, 24468, 24820, 24864, 26364, 26603, 30014, 31435, 32029, 32523, 33172
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OFFSET
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1,1
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COMMENTS
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Each starting position is counted from the decimal point - Harvey P. Dale, Aug 23 2021
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LINKS
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MATHEMATICA
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q=9!; z=5; 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 (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)
SequencePosition[RealDigits[Pi, 10, 35000][[1]], {5, 5, 5}][[All, 1]]-1 (* Harvey P. Dale, Aug 23 2021 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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