a(n) is the starting position of the first occurrence of a string of at least n 3's in the decimal expansion of Pi.
Discussion
Sun Feb 16
08:32
OEIS Server: https://oeis.org/edit/global/3014
Discussion
Sun Oct 31
16:23
Dmitry Petukhov: Unfortunately, they remain in all the sequences I edited in a week.
Mon Nov 01
05:04
Peter Luschny: That's not a big deal. After all it documents the historical progress.
Discussion
Sun Oct 31
13:58
Andrey Zabolotskiy: Yeah, let's remove the outdated estimates.
Discussion
Thu Oct 28
02:44
Dmitry Petukhov: Why leave outdated estimates in the comments if I gave the exact value myself? And the record about this will remain in the EXTENSIONS?