A342584 - cp's OEIS frontend

A342584 Minimum k such that all partial sums of the Leibniz series 4/1 - 4/3 + 4/5 - ... with k or more terms give a value of Pi correct to n decimal digits.

n	a(n)
1	7
2	25
3	627
4	2454
5	136120
6	376847
7	2886750
8	21546984
9	278567575
10	2437795018
11	97974268952
12	4836489478578
13	4836489478578
14	147895359776636
15	308788493220129
16	4193528956200935
17	25999253094360135
18	650467164953053602
19	2161492060929047665
20	26769019461318409710

[7, 25, 627, 2454, 136120, 376847, 2886750, 21546984, 278567575, 2437795018, 97974268952, 4836489478578, 4836489478578, 147895359776636, 308788493220129, 4193528956200935, 25999253094360135, 650467164953053602, 2161492060929047665, 26769019461318409710]

cp's OEIS Frontend

A342584 Minimum k such that all partial sums of the Leibniz series 4/1 - 4/3 + 4/5 - ... with k or more terms give a value of Pi correct to n decimal digits.

Table of values

List of values