A237759 - cp's OEIS frontend

A237759 Numbers n such that either n^22^n-1 or n^22^n+1 is prime, but not both.

n	a(n)
1	1
2	2
3	4
4	7
5	21
6	25
7	30
8	33
9	41
10	45
11	57
12	63
13	83
14	100
15	131
16	142
17	144
18	147
19	150
20	175
21	198
22	225
23	304
24	425
25	449
26	469
27	513
28	651
29	782
30	858
31	1345
32	1839
33	1883
34	1913
35	2177
36	2551
37	2907
38	3638
39	3675
40	6071
41	6076
42	9297
43	11037
44	11743
45	12135
46	12876
47	14641
48	38685
49	40857

[1, 2, 4, 7, 21, 25, 30, 33, 41, 45, 57, 63, 83, 100, 131, 142, 144, 147, 150, 175, 198, 225, 304, 425, 449, 469, 513, 651, 782, 858, 1345, 1839, 1883, 1913, 2177, 2551, 2907, 3638, 3675, 6071, 6076, 9297, 11037, 11743, 12135, 12876, 14641, 38685, 40857]

cp's OEIS Frontend

A237759 Numbers n such that either n^22^n-1 or n^22^n+1 is prime, but not both.

Table of values

List of values

cp's OEIS Frontend

A237759 Numbers n such that either n^2*2^n-1 or n^2*2^n+1 is prime, but not both.

Table of values

List of values

A237759 Numbers n such that either n^22^n-1 or n^22^n+1 is prime, but not both.