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A049523 Smallest starting index for a run of exactly n consecutive equal digits in decimal expansion of Pi. 15
1, 25, 154, 1590, 17535, 763, 710101, 22931746, 24658602, 386980413, 15647738229, 368299898267, 2164164669333, 5758910552710, 46970519777308 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Digits 3,1,4,1,5,... are indexed 1,2,3,4,5,...
a(11) > 2*10^9. - M. F. Hasler, Mar 22 2017
a(12) > 99*10^9. - Giovanni Resta, Oct 02 2019
a(15) > 12*10^12. - Dmitry Petukhov, Dec 30 2019
a(16) > 50*10^12, a(17) = 28642224609576. - Dmitry Petukhov, Oct 30 2021
LINKS
Dave Andersen, Pi-Search Page
Yasumasa Kanada, Statistical Distribution Information, Home page, Computer Centre, The University of Tokyo.
Timothy Mullican, 50 trillion digits of pi
Eric Weisstein's World of Mathematics, Pi Digits.
EXAMPLE
See A084144 for an example.
CROSSREFS
Cf. A084144 (digit with this starting index).
Sequence in context: A031211 A049522 A084073 * A232000 A260046 A316948
KEYWORD
nonn,base,more
AUTHOR
EXTENSIONS
More terms from Rick L. Shepherd, May 15 2003
Edited and a(10) (via Taylor's search engine) added by M. F. Hasler, Mar 21 2017
a(11) from Giovanni Resta, Oct 02 2019
a(12)-a(14) added by Dmitry Petukhov, Dec 30 2019
a(15) from Dmitry Petukhov, Oct 30 2021
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)