A096758 Index of first occurrence of exactly n consecutive fours in a row in the decimal expansion of Pi.

2, 59, 2707, 54525, 808650, 828499, 17893953, 22931745, 1346808619, 115763387962, 66757797341, 1379889220413, 15170474235886

Offset

1,1

Comments

First differs from A050283 at n = 10. In particular, a(10) > a(11) while A050283(10) = A050283(11) = a(11). - Dmitry Petukhov, Jan 25 2020

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

Links

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

David G. Andersen, The Pi-Search Page.

Peter Trüb, 22.4 trillion digits of pi

Crossrefs

Cf. A050279, A035117, A096756, A096757, A050283, A096759, A096760, A096761, A096762, A096763 (similar for digits 0 through 9).

Sequence in context: A369952 A139190 A050283 * A262638 A202622 A113549

Adjacent sequences: A096755 A096756 A096757 * A096759 A096760 A096761

Keyword

base,nonn

Author

Robert G. Wilson v, Jul 07 2004

Extensions

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

Status

approved