A245659 - cp's OEIS frontend

A245659 Prime numbers P such that Q=2P^2-1, R=2Q^2-1, S=2R^2-1 and T=2S^2-1 are all prime numbers.

n	a(n)
1	281683
2	496789
3	823421
4	1352753
5	1719217
6	6174109
7	8643149
8	9761051
9	9843529
10	16191167
11	19132121
12	19745797
13	23490473
14	28457797
15	31820429
16	32860271
17	36552277
18	37068569
19	43506569
20	44776981
21	46808903
22	55035047
23	55957807
24	67194403
25	75099137
26	83092897
27	86580421
28	89135089

[281683, 496789, 823421, 1352753, 1719217, 6174109, 8643149, 9761051, 9843529, 16191167, 19132121, 19745797, 23490473, 28457797, 31820429, 32860271, 36552277, 37068569, 43506569, 44776981, 46808903, 55035047, 55957807, 67194403, 75099137, 83092897, 86580421, 89135089]

cp's OEIS Frontend

A245659 Prime numbers P such that Q=2P^2-1, R=2Q^2-1, S=2R^2-1 and T=2S^2-1 are all prime numbers.

Table of values

List of values

cp's OEIS Frontend

A245659 Prime numbers P such that Q=2*P^2-1, R=2*Q^2-1, S=2*R^2-1 and T=2*S^2-1 are all prime numbers.

Table of values

List of values

A245659 Prime numbers P such that Q=2P^2-1, R=2Q^2-1, S=2R^2-1 and T=2S^2-1 are all prime numbers.