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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. 13
9, 24, 1698, 28467, 28467, 710100, 710100, 36488176, 2011485307, 4663739959, 60422218263 (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(12) > 99*10^9. - Giovanni Resta, Oct 02 2019

LINKS

Table of n, a(n) for n=1..11.

Peter TrĂ¼b, 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: A180334 A223290 A121089 * A096757 A101158 A113496

Adjacent sequences:  A050279 A050280 A050281 * A050283 A050284 A050285

KEYWORD

nonn,base,more

AUTHOR

Eric W. Weisstein

EXTENSIONS

More terms from Colin Martin (cbmartin(AT)tpg.com.au), Mar 03 2002

a(11) from Giovanni Resta, Oct 02 2019

STATUS

approved

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Last modified October 21 14:45 EDT 2019. Contains 328301 sequences. (Running on oeis4.)