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A083619 Starting positions of strings of seven 4's in the decimal expansion of Pi. 3
17893953, 22931745, 22931746, 23189751, 23724968, 26621347, 48484522, 65122865, 65122866, 101281206, 114016129, 139676210, 143452823, 158136797, 162805048, 180943775, 183739324, 187015739, 193053713, 195259463, 199439192 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
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
LINKS
Dave Andersen, Pi-Search Page
Eric Weisstein's World of Mathematics, Pi Digits.
MATHEMATICA
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 *)
CROSSREFS
Cf. A083618 (six 4's).
Sequence in context: A159192 A154875 A015353 * A257550 A282670 A238071
KEYWORD
base,nonn
AUTHOR
Rick L. Shepherd, May 02 2003
EXTENSIONS
More terms from Rick L. Shepherd, Aug 06 2006
STATUS
approved

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Last modified June 21 02:54 EDT 2024. Contains 373535 sequences. (Running on oeis4.)