A125039 - cp's OEIS frontend

A125039 Primes of the form 8k+1 generated recursively. Initial prime is 17. General term is a(n)=Min {p is prime; p divides (2Q)^4 + 1}, where Q is the product of previous terms in the sequence.

n	a(n)
1	17
2	1336337
3	4261668267710686591310687815697
4	41
5	4390937134822286389262585915435960722186022220433
6	241
7	1553
8	243537789182873
9	97
10	27673
11	4289
12	457
13	137201
14	73
15	337
16	569891669978849
17	617
18	1697
19	65089
20	1609
21	761

[17, 1336337, 4261668267710686591310687815697, 41, 4390937134822286389262585915435960722186022220433, 241, 1553, 243537789182873, 97, 27673, 4289, 457, 137201, 73, 337, 569891669978849, 617, 1697, 65089, 1609, 761]

cp's OEIS Frontend

A125039 Primes of the form 8k+1 generated recursively. Initial prime is 17. General term is a(n)=Min {p is prime; p divides (2Q)^4 + 1}, where Q is the product of previous terms in the sequence.

Table of values

List of values