A023250 - cp's OEIS frontend

A023250 Primes that remain prime through 2 iterations of function f(x) = 4x + 3.

n	a(n)
1	2
2	7
3	11
4	37
5	67
6	89
7	109
8	149
9	179
10	257
11	439
12	467
13	571
14	677
15	691
16	719
17	929
18	977
19	1019
20	1279
21	1381
22	1447
23	1549
24	1567
25	1747
26	1787
27	1901
28	1931
29	2111
30	2161
31	2207
32	2287
33	2347
34	2377
35	2459
36	2539
37	2671
38	2711
39	2819
40	3119
41	3229
42	3371
43	3491
44	3607
45	3637
46	3821
47	3877

[2, 7, 11, 37, 67, 89, 109, 149, 179, 257, 439, 467, 571, 677, 691, 719, 929, 977, 1019, 1279, 1381, 1447, 1549, 1567, 1747, 1787, 1901, 1931, 2111, 2161, 2207, 2287, 2347, 2377, 2459, 2539, 2671, 2711, 2819, 3119, 3229, 3371, 3491, 3607, 3637, 3821, 3877]

cp's OEIS Frontend

A023250 Primes that remain prime through 2 iterations of function f(x) = 4x + 3.

Table of values

List of values