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A083643
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Starting positions of strings of four 9's in the decimal expansion of Pi.
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3
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762, 763, 764, 17988, 19437, 19446, 19447, 22753, 31900, 42095, 56988, 56989, 81293, 120564, 140953, 161862, 161863, 177122, 182604, 191104, 193034, 193035, 193036, 204198, 210140, 211794, 220507, 220568, 220569, 224317, 235425, 235775
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Module[{digs=240000, p}, p=RealDigits[Pi, 10, digs][[1]]; SequencePosition[p, {9, 9, 9, 9}][[All, 1]]-1] (* Harvey P. Dale, Jan 12 2023 *)
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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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