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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 (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 LINKS Dave Andersen, Pi-Search Page Yasumasa Kanada, Statistical Distribution Information, Home page, Computer Centre, The University of Tokyo. PI-world Site, The digits and Statistics for 12 trillion digits of PI [archived page] James Taylor, Irrational Number Search Engine Peter TrĂ¼b, 22.4 trillion digits of pi Eric Weisstein's World of Mathematics, Pi Digits. EXAMPLE See A084144 for an example. CROSSREFS Cf. A049514, A049515, A049516, A049517, A049518, A049519, A049520, A049521, A049522. Cf. A084144 (digit with this starting index). Sequence in context: A031211 A049522 A084073 * A232000 A260046 A316948 Adjacent sequences:  A049520 A049521 A049522 * A049524 A049525 A049526 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 STATUS approved

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Last modified August 6 00:46 EDT 2021. Contains 346493 sequences. (Running on oeis4.)