A224626 - cp's OEIS frontend

A224626 Primes p such that q=2p^3-1, r=2p*q^2-1, and s=2pr^2-1 are all prime.

n	a(n)
1	27361
2	65731
3	167623
4	424093
5	1559449
6	2389693
7	3880633
8	4683661
9	5755921
10	5780881
11	6124411
12	6840643
13	7802959
14	7822879
15	7917769
16	8876719
17	9488683
18	9640321
19	9966139
20	10392073
21	10865083
22	10988743
23	12363991
24	12457681
25	12756253
26	13471561
27	14437561
28	14508709
29	14550331
30	14839711
31	15366223
32	16574143

[27361, 65731, 167623, 424093, 1559449, 2389693, 3880633, 4683661, 5755921, 5780881, 6124411, 6840643, 7802959, 7822879, 7917769, 8876719, 9488683, 9640321, 9966139, 10392073, 10865083, 10988743, 12363991, 12457681, 12756253, 13471561, 14437561, 14508709, 14550331, 14839711, 15366223, 16574143]

cp's OEIS Frontend

A224626 Primes p such that q=2p^3-1, r=2p*q^2-1, and s=2pr^2-1 are all prime.

Table of values

List of values

cp's OEIS Frontend

A224626 Primes p such that q=2*p^3-1, r=2*p*q^2-1, and s=2*p*r^2-1 are all prime.

Table of values

List of values

A224626 Primes p such that q=2p^3-1, r=2p*q^2-1, and s=2pr^2-1 are all prime.