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

1,1

Comments

a(14) > 22*10^12. - Dmitry Petukhov, Jan 25 2020

Links

Table of n, a(n) for n=1..13.

Peter Trüb, 22.4 trillion digits of pi

Eric Weisstein's World of Mathematics, Pi Digits.

Example

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

Crossrefs

Sequence in context: A241324 A369952 A139190 * A096758 A262638 A202622

Adjacent sequences: A050280 A050281 A050282 * A050284 A050285 A050286

Keyword

nonn,base

Author

Eric W. Weisstein

Extensions

a(10)-a(13) from Dmitry Petukhov, Jan 25 2020

Status

approved