A050283 a(n) is the starting position of the first occurrence of a string of n 4's in the decimal expansion of Pi.
2, 59, 2707, 54525, 808650, 828499, 17893953, 22931745, 1346808619, 66757797341, 66757797341, 1379889220413, 15170474235886
Offset: 1
Examples
More terms from Colin Martin (cbmartin(AT)tpg.com.au), Mar 03 2002
Links
- Peter Trüb, 22.4 trillion digits of pi
- Eric Weisstein's World of Mathematics, Pi Digits.
Extensions
a(10)-a(13) from Dmitry Petukhov, Jan 25 2020
Comments