A364415 - cp's OEIS frontend

A364415 a(n) is the least k such that Sum_{j=1..k} 1/(j^(1 + 1/j)) >= n.

n	a(n)
0	0
1	1
2	6
3	22
4	65
5	185
6	512
7	1402
8	3825
9	10412
10	28318
11	76995
12	209314
13	568995
14	1546713
15	4204428
16	11428848
17	31066858
18	84448506
19	229554871
20	623994868
21	1696193945
22	4610733216
23	12533272358
24	34068966559

[0, 1, 6, 22, 65, 185, 512, 1402, 3825, 10412, 28318, 76995, 209314, 568995, 1546713, 4204428, 11428848, 31066858, 84448506, 229554871, 623994868, 1696193945, 4610733216, 12533272358, 34068966559]

cp's OEIS Frontend

A364415 a(n) is the least k such that Sum_{j=1..k} 1/(j^(1 + 1/j)) >= n.

Table of values

List of values