A111354 - cp's OEIS frontend

A111354 Numbers n such that the numerator of Sum_{i=1..n} (1/i^2), in reduced form, is prime.

n	a(n)
1	2
2	7
3	13
4	19
5	121
6	188
7	252
8	368
9	605
10	745
11	1085
12	1127
13	1406
14	1743
15	1774
16	2042
17	2087
18	2936
19	3196
20	3207
21	3457
22	4045
23	7584
24	10307
25	12603
26	12632
27	14438
28	14526
29	14641
30	15662
31	15950
32	16261
33	18084
34	18937
35	19676
36	40984
37	45531
38	46009
39	48292
40	48590

[2, 7, 13, 19, 121, 188, 252, 368, 605, 745, 1085, 1127, 1406, 1743, 1774, 2042, 2087, 2936, 3196, 3207, 3457, 4045, 7584, 10307, 12603, 12632, 14438, 14526, 14641, 15662, 15950, 16261, 18084, 18937, 19676, 40984, 45531, 46009, 48292, 48590]

cp's OEIS Frontend

A111354 Numbers n such that the numerator of Sum_{i=1..n} (1/i^2), in reduced form, is prime.

Table of values

List of values