A050285 a(n) is the starting position of the first occurrence of a string of at least n consecutive digits '6' in the decimal expansion of Pi.

7, 117, 2440, 21880, 48439, 252499, 8209165, 45681781, 45681781, 386980412, 32104158792, 1221587715177, 28642224609576, 28642224609576, 28642224609576, 28642224609576, 28642224609576

Offset: 1

Author

Eric W. Weisstein

Keywords

• nonn
• base
• more

Comments

Differs from A096760 at a(8) = a(9) = A096760(9) < A096760(8). - M. F. Hasler, Apr 13 2019

a(18) > 50*10^12. - Dmitry Petukhov, Oct 30 2021

Links

• Timothy Mullican, 50 trillion digits of pi
• Peter Trüb, 22.4 trillion digits of pi
• Eric Weisstein's World of Mathematics, Pi Digits.
• Yasumasa Kanada Laboratory Home Page, Computer Centre, The University of Tokyo, Statistical Distribution Information

Extensions

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

a(11) from Giovanni Resta, Oct 02 2019

a(12) from Yasumasa Kanada Laboratory, 2002, added by Dmitry Petukhov, Dec 27 2019

a(13)-a(17) from Dmitry Petukhov, Oct 30 2021