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

1,1

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

Table of n, a(n) for n=1..17.

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

Crossrefs

Sequence in context: A180203 A070067 A027502 * A096760 A178791 A299429

Adjacent sequences: A050282 A050283 A050284 * A050286 A050287 A050288

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

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

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

Status

approved