A000043 - cp's OEIS frontend

A000043 Mersenne exponents: primes p such that 2^p - 1 is prime. Then 2^p - 1 is called a Mersenne prime.

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	17
7	19
8	31
9	61
10	89
11	107
12	127
13	521
14	607
15	1279
16	2203
17	2281
18	3217
19	4253
20	4423
21	9689
22	9941
23	11213
24	19937
25	21701
26	23209
27	44497
28	86243
29	110503
30	132049
31	216091
32	756839
33	859433
34	1257787
35	1398269
36	2976221
37	3021377
38	6972593
39	13466917
40	20996011
41	24036583
42	25964951
43	30402457
44	32582657
45	37156667
46	42643801
47	43112609
48	57885161
49	74207281

[2, 3, 5, 7, 13, 17, 19, 31, 61, 89, 107, 127, 521, 607, 1279, 2203, 2281, 3217, 4253, 4423, 9689, 9941, 11213, 19937, 21701, 23209, 44497, 86243, 110503, 132049, 216091, 756839, 859433, 1257787, 1398269, 2976221, 3021377, 6972593, 13466917, 20996011, 24036583, 25964951, 30402457, 32582657, 37156667, 42643801, 43112609, 57885161, 74207281]

cp's OEIS Frontend

A000043 Mersenne exponents: primes p such that 2^p - 1 is prime. Then 2^p - 1 is called a Mersenne prime.

Table of values

List of values