A183071 - cp's OEIS frontend

A183071 Positive integers k such that each prime divisor of 2^k - 1 has the form 4j + 3.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	13
9	14
10	15
11	17
12	19
13	26
14	30
15	31
16	34
17	38
18	43
19	51
20	61
21	62
22	65
23	79
24	85
25	86
26	89
27	93
28	95
29	107
30	122
31	127
32	129
33	130
34	133
35	158
36	170
37	193
38	254
39	255
40	301
41	311
42	331
43	349
44	389
45	445
46	521
47	557
48	577
49	579
50	607
51	631
52	647
53	1103
54	1167

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 19, 26, 30, 31, 34, 38, 43, 51, 61, 62, 65, 79, 85, 86, 89, 93, 95, 107, 122, 127, 129, 130, 133, 158, 170, 193, 254, 255, 301, 311, 331, 349, 389, 445, 521, 557, 577, 579, 607, 631, 647, 1103, 1167]

cp's OEIS Frontend

A183071 Positive integers k such that each prime divisor of 2^k - 1 has the form 4j + 3.

Table of values

List of values