A075468 - cp's OEIS frontend

A075468 Minimal m such that n^n-m and n^n+m are both primes, or -1 if there is no such m.

n	a(n)
2	1
3	4
4	15
5	42
6	7
7	186
8	75
9	10
10	33
11	1302
12	487
13	114
14	297
15	58
16	2253
17	1980
18	1045
19	1638
20	1767
21	2032
22	8067
23	10800
24	257
25	588
26	3423
27	3334
28	5907
29	12882
30	1213
31	12972
32	8547
33	3644
34	7035
35	2178
36	16747
37	24324
38	5523
39	12628
40	2241
41	25602
42	16495
43	41706
44	23127
45	22376
46	24927

[1, 4, 15, 42, 7, 186, 75, 10, 33, 1302, 487, 114, 297, 58, 2253, 1980, 1045, 1638, 1767, 2032, 8067, 10800, 257, 588, 3423, 3334, 5907, 12882, 1213, 12972, 8547, 3644, 7035, 2178, 16747, 24324, 5523, 12628, 2241, 25602, 16495, 41706, 23127, 22376, 24927]

cp's OEIS Frontend

A075468 Minimal m such that n^n-m and n^n+m are both primes, or -1 if there is no such m.

Table of values

List of values