A383836 - cp's OEIS frontend

A383836 Integers k such that d*2^k + k/d is prime for some divisor d of k.

n	a(n)
1	1
2	3
3	5
4	6
5	9
6	10
7	15
8	21
9	22
10	28
11	39
12	66
13	75
14	81
15	89
16	105
17	108
18	111
19	141
20	165
21	166
22	190
23	196
24	317
25	340
26	357
27	459
28	462
29	483
30	525
31	564
32	568
33	573
34	701
35	735
36	737
37	792
38	869
39	1185
40	1311
41	1480
42	1647
43	1794
44	1881
45	2145
46	2405
47	2508
48	2766
49	3081
50	3201
51	3225
52	3243
53	4260
54	4713
55	5369
56	5795
57	5985

[1, 3, 5, 6, 9, 10, 15, 21, 22, 28, 39, 66, 75, 81, 89, 105, 108, 111, 141, 165, 166, 190, 196, 317, 340, 357, 459, 462, 483, 525, 564, 568, 573, 701, 735, 737, 792, 869, 1185, 1311, 1480, 1647, 1794, 1881, 2145, 2405, 2508, 2766, 3081, 3201, 3225, 3243, 4260, 4713, 5369, 5795, 5985]

cp's OEIS Frontend

A383836 Integers k such that d*2^k + k/d is prime for some divisor d of k.

Table of values

List of values