A005105 - cp's OEIS frontend

A005105 Class 1+ primes: primes of the form 2^i*3^j - 1 with i, j >= 0.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	17
7	23
8	31
9	47
10	53
11	71
12	107
13	127
14	191
15	383
16	431
17	647
18	863
19	971
20	1151
21	2591
22	4373
23	6143
24	6911
25	8191
26	8747
27	13121
28	15551
29	23327
30	27647
31	62207
32	73727
33	131071
34	139967
35	165887
36	294911
37	314927
38	442367
39	472391
40	497663
41	524287
42	786431
43	995327

[2, 3, 5, 7, 11, 17, 23, 31, 47, 53, 71, 107, 127, 191, 383, 431, 647, 863, 971, 1151, 2591, 4373, 6143, 6911, 8191, 8747, 13121, 15551, 23327, 27647, 62207, 73727, 131071, 139967, 165887, 294911, 314927, 442367, 472391, 497663, 524287, 786431, 995327]

cp's OEIS Frontend

A005105 Class 1+ primes: primes of the form 2^i*3^j - 1 with i, j >= 0.

Table of values

List of values