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A049519
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Starting index of a string of exactly 3 consecutive equal digits in decimal expansion of Pi.
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7
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154, 178, 602, 856, 984, 1233, 1451, 1599, 1699, 1736, 1890, 2279, 2360, 2377, 2441, 2675, 2708, 2929, 2950, 3152, 3435, 3477, 3504, 3810, 3867, 3993, 4001, 4176, 4256, 4436, 4509, 4576, 4794, 4924, 4929, 4986, 5291, 5356, 5404, 5451, 5676, 5872, 6071
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OFFSET
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0,1
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COMMENTS
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Digits 3,1,4,... are indexed 1,2,3,...
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LINKS
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MATHEMATICA
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e3cdQ[{a_, b_, c_, d_, e_}]:=a!=b&&d!=e&&b==c==d; Flatten[Position[ Partition[ RealDigits[Pi, 10, 7000][[1]], 5, 1], _?(e3cdQ)]]+1 (* Harvey P. Dale, Nov 09 2016 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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