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 A050279 a(n) is the starting position of the first occurrence of a string of at least n '0's in the decimal expansion of Pi. 20
 32, 307, 601, 13390, 17534, 1699927, 3794572, 172330850, 2542542102, 8324296435, 371247087572, 1755524129973, 3186699229890, 6381820482331 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS At least up to a(10), also the starting position of the first occurrence of a string of exactly n '0's in the decimal expansion of Pi, cf. A096764. - M. F. Hasler, Mar 19 2017, edited Sep 03 2017 a(15) > 22*10^12. - Dmitry Petukhov, Jan 28 2020 REFERENCES Shigeru Kondo, calculation of Pi to 12.8 * 10^9 digits, using the program PiFast of Xavier Gourdon LINKS Table of n, a(n) for n=1..14. David G. Andersen, The Pi-Search Page. Peter Trüb, 22.4 trillion digits of pi Eric Weisstein's World of Mathematics, Pi Digits CROSSREFS See A096764 for another version. Cf. A000796: Decimal expansion (or digits) of Pi. First occurrence of exactly n times the same digit: A096755 (exactly n '1's), A096756, A096757, A096758, A096759, A096760, A096761, A096762, A096763 (exactly n '9's), A096764 (exactly n '0's). First occurrence of n times the same digit: A035117 (n '1's), A050281 (n '2's), A050282, A050283, A050284, A050286, A050287, A048940 (n '9's). First occurrence of concatenate(1,...,n): A121280 = A068987 - 1. Sequence in context: A074469 A159654 A061958 * A096764 A256802 A199532 Adjacent sequences: A050276 A050277 A050278 * A050280 A050281 A050282 KEYWORD nonn,base,more AUTHOR Eric W. Weisstein EXTENSIONS More terms from Colin B. Martin (martinc(AT)ram.net.au), Nov 25 2001 Edited by N. J. A. Sloane at the suggestion of M. F. Hasler, Aug 24 2007 Edited by M. F. Hasler, Mar 19 2017 Definition modified by N. J. A. Sloane, Sep 03 2017 a(11)-a(14) added by Dmitry Petukhov, Jan 12 2020 STATUS approved

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Last modified December 9 15:36 EST 2023. Contains 367693 sequences. (Running on oeis4.)