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A050282
a(n) is the starting position of the first occurrence of a string of at least n 3's in the decimal expansion of Pi.
14
9, 24, 1698, 28467, 28467, 710100, 710100, 36488176, 2011485307, 4663739959, 60422218263, 1379574176590, 26258139334603
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Differs from A096757 which lists occurrences of strings of exactly n '3's. - M. F. Hasler, Mar 17 2017
a(14) > 50*10^12. - Dmitry Petukhov, Oct 28 2021
LINKS
Table of n, a(n) for n=1..13.
Timothy Mullican, 50 trillion digits of pi
Peter Trüb, 22.4 trillion digits of pi
Eric Weisstein's World of Mathematics, Pi Digits
CROSSREFS
Cf. A035117 (n '1's), A050281 (n '2's), A050282, A050283, A050284, A050286, A050287, A048940 (n '9's).
Cf. A096755 (exactly n '1's), A096756, A096757, A096758, A096759, A096760, A096761, A096762, A096763 (exactly n '9's), A050279 (exactly n '0's).
Sequence in context: A223290 A121089 A362697 * A096757 A101158 A113496
Adjacent sequences: A050279 A050280 A050281 * A050283 A050284 A050285
KEYWORD
nonn,base,more
AUTHOR
Eric W. Weisstein
EXTENSIONS
a(9)-a(10) from Colin Martin (cbmartin(AT)tpg.com.au), Mar 03 2002
a(11) from Giovanni Resta, Oct 02 2019
a(12) from Dmitry Petukhov, Jan 26 2020
a(13) from Dmitry Petukhov, Oct 28 2021
STATUS
approved

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Last modified September 28 11:26 EDT 2024. Contains 376292 sequences.
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