A329595 - cp's OEIS frontend

A329595 Numbers k such that either (a) k-1=i^m for some i and m >= 3 and k+1 is a prime, or (b) k-1 is a prime and k+1 = i^m for some i and m >= 3.

n	a(n)
1	1
2	2
3	28
4	80
5	82
6	126
7	242
8	728
9	2400
10	3374
11	6562
12	6858
13	14640
14	19682
15	24390
16	28560
17	29790
18	50626
19	50652
20	59050
21	91126
22	161052
23	194480
24	194482
25	250048
26	274626
27	300762
28	328510
29	357912
30	371292
31	571788
32	707280
33	753570
34	759376
35	823542
36	970298
37	1157626
38	1295028
39	1442898
40	1771560
41	1860868
42	2146688
43	2146690

[1, 2, 28, 80, 82, 126, 242, 728, 2400, 3374, 6562, 6858, 14640, 19682, 24390, 28560, 29790, 50626, 50652, 59050, 91126, 161052, 194480, 194482, 250048, 274626, 300762, 328510, 357912, 371292, 571788, 707280, 753570, 759376, 823542, 970298, 1157626, 1295028, 1442898, 1771560, 1860868, 2146688, 2146690]

cp's OEIS Frontend

A329595 Numbers k such that either (a) k-1=i^m for some i and m >= 3 and k+1 is a prime, or (b) k-1 is a prime and k+1 = i^m for some i and m >= 3.

Table of values

List of values