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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A199671 Numerators of upper rational approximants of Pi with the first 5 terms given by Adam Adamandy Kochański in 1685, continued using a reconstruction by Fukś that is highly likely to match Kochański's incompletely published method.

Table of values

n a(n)
1 22
2 355
3 1667793
4 9254583360
5 136736469144003
6 4607608800745469094
7 281400492287928033977865
8 31300739558170811075425879683
9 3630447578393999693394346080912441
10 631044398076445026705805235784200494623
11 355478037191228783108834088006248470029544494
12 215421467928070598707869001502226604080254111086473

List of values

[22, 355, 1667793, 9254583360, 136736469144003, 4607608800745469094, 281400492287928033977865, 31300739558170811075425879683, 3630447578393999693394346080912441, 631044398076445026705805235784200494623, 355478037191228783108834088006248470029544494, 215421467928070598707869001502226604080254111086473]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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