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A083619
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Starting positions of strings of seven 4's in the decimal expansion of Pi.
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3
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17893953, 22931745, 22931746, 23189751, 23724968, 26621347, 48484522, 65122865, 65122866, 101281206, 114016129, 139676210, 143452823, 158136797, 162805048, 180943775, 183739324, 187015739, 193053713, 195259463, 199439192
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OFFSET
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1,1
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COMMENTS
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The digits 3,1,4,... of Pi are indexed by 0,1,2,...
Consecutive numbers indicate a string of more than seven '4's in a row, e.g., at positions 22931745, 65122865, 221749424, 351988052, ... start runs of eight '4's. - M. F. Hasler, Mar 21 2017
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LINKS
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MATHEMATICA
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SequencePosition[RealDigits[Pi, 10, 2*10^8][[1]], {4, 4, 4, 4, 4, 4, 4}][[All, 1]]-1 (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 05 2020 *)
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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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EXTENSIONS
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STATUS
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approved
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