A125044 - cp's OEIS frontend

A125044 Primes of the form 54k+1 generated recursively. Initial prime is 109. General term is a(n) = Min {p is prime; p divides (R^27 - 1)/(R^9 - 1); p == 1 (mod 27)}, where Q is the product of previous terms in the sequence and R = 3*Q.

n	a(n)
1	109
2	50221
3	379
4	5077
5	2527181639419400128997560106426867837203
6	112807
7	2094067
8	1567
9	9325207
10	370603
11	67447
12	27978113462777647321591
13	1012771
14	163
15	396577
16	7096357
17	3511
18	3673
19	541
20	389287
21	1999
22	68979565009
23	649108891

[109, 50221, 379, 5077, 2527181639419400128997560106426867837203, 112807, 2094067, 1567, 9325207, 370603, 67447, 27978113462777647321591, 1012771, 163, 396577, 7096357, 3511, 3673, 541, 389287, 1999, 68979565009, 649108891]

cp's OEIS Frontend

A125044 Primes of the form 54k+1 generated recursively. Initial prime is 109. General term is a(n) = Min {p is prime; p divides (R^27 - 1)/(R^9 - 1); p == 1 (mod 27)}, where Q is the product of previous terms in the sequence and R = 3*Q.

Table of values

List of values