A145040 - cp's OEIS frontend

A145040 Primes p such that 2^p-1 is prime and congruent to 31 mod 5!.

n	a(n)
1	5
2	13
3	17
4	61
5	89
6	521
7	2281
8	3217
9	4253
10	9689
11	9941
12	11213
13	19937
14	21701
15	23209
16	44497
17	132049
18	859433
19	1398269
20	2976221
21	3021377
22	6972593
23	13466917
24	30402457
25	32582657
26	42643801
27	43112609
28	57885161

[5, 13, 17, 61, 89, 521, 2281, 3217, 4253, 9689, 9941, 11213, 19937, 21701, 23209, 44497, 132049, 859433, 1398269, 2976221, 3021377, 6972593, 13466917, 30402457, 32582657, 42643801, 43112609, 57885161]

cp's OEIS Frontend

A145040 Primes p such that 2^p-1 is prime and congruent to 31 mod 5!.

Table of values

List of values