A023272 - cp's OEIS frontend

A023272 Primes that remain prime through 3 iterations of the function f(x) = 2*x + 1.

n	a(n)
1	2
2	5
3	89
4	179
5	359
6	509
7	1229
8	1409
9	2699
10	3539
11	6449
12	10589
13	11549
14	11909
15	12119
16	17159
17	19709
18	19889
19	22349
20	26189
21	27479
22	30389
23	43649
24	53639
25	53849
26	55229
27	57839
28	60149
29	61409
30	63419
31	66749
32	71399
33	74699
34	75329
35	82499
36	87539
37	98369
38	101399
39	104369

[2, 5, 89, 179, 359, 509, 1229, 1409, 2699, 3539, 6449, 10589, 11549, 11909, 12119, 17159, 19709, 19889, 22349, 26189, 27479, 30389, 43649, 53639, 53849, 55229, 57839, 60149, 61409, 63419, 66749, 71399, 74699, 75329, 82499, 87539, 98369, 101399, 104369]

cp's OEIS Frontend

A023272 Primes that remain prime through 3 iterations of the function f(x) = 2*x + 1.

Table of values

List of values