A283455 - cp's OEIS frontend

A283455 Numbers m such that 2^m - 1 has at most 2 distinct prime factors.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	11
10	13
11	17
12	19
13	23
14	31
15	37
16	41
17	49
18	59
19	61
20	67
21	83
22	89
23	97
24	101
25	103
26	107
27	109
28	127
29	131
30	137
31	139
32	149
33	167
34	197
35	199
36	227
37	241
38	269
39	271
40	281
41	293
42	347
43	373
44	379
45	421
46	457
47	487
48	521
49	523
50	607
51	727
52	809
53	881
54	971
55	983
56	997
57	1061

[1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 17, 19, 23, 31, 37, 41, 49, 59, 61, 67, 83, 89, 97, 101, 103, 107, 109, 127, 131, 137, 139, 149, 167, 197, 199, 227, 241, 269, 271, 281, 293, 347, 373, 379, 421, 457, 487, 521, 523, 607, 727, 809, 881, 971, 983, 997, 1061]

cp's OEIS Frontend

A283455 Numbers m such that 2^m - 1 has at most 2 distinct prime factors.

Table of values

List of values