A124067 - cp's OEIS frontend

A124067 Numbers k such that 2*F(k) + 1 is a prime, where F = A000045.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	11
9	13
10	19
11	21
12	22
13	24
14	27
15	40
16	44
17	51
18	62
19	92
20	139
21	208
22	224
23	293
24	307
25	421
26	509
27	741
28	861
29	966
30	989
31	1046
32	1100
33	1102
34	1109
35	1182
36	1547
37	1766
38	1813
39	2048
40	2720
41	2726
42	6012
43	6790
44	7132
45	8301
46	8699
47	10062
48	11102
49	15827
50	23918
51	26747
52	29389
53	37229
54	38211
55	68726

[1, 2, 3, 4, 5, 6, 8, 11, 13, 19, 21, 22, 24, 27, 40, 44, 51, 62, 92, 139, 208, 224, 293, 307, 421, 509, 741, 861, 966, 989, 1046, 1100, 1102, 1109, 1182, 1547, 1766, 1813, 2048, 2720, 2726, 6012, 6790, 7132, 8301, 8699, 10062, 11102, 15827, 23918, 26747, 29389, 37229, 38211, 68726]

cp's OEIS Frontend

A124067 Numbers k such that 2*F(k) + 1 is a prime, where F = A000045.

Table of values

List of values