A023244 - cp's OEIS frontend

A023244 Primes that remain prime through 2 iterations of the function f(x) = 2x + 7.

n	a(n)
1	2
2	5
3	17
4	23
5	53
6	83
7	137
8	197
9	227
10	257
11	293
12	317
13	347
14	383
15	467
16	593
17	647
18	677
19	683
20	797
21	857
22	953
23	1163
24	1193
25	1217
26	1607
27	1877
28	1907
29	1913
30	1997
31	2063
32	2207
33	2237
34	2843
35	2903
36	3023
37	3257
38	3323
39	3557
40	3947
41	4133
42	4253
43	4517
44	4583
45	4643
46	4967
47	5087
48	5387

[2, 5, 17, 23, 53, 83, 137, 197, 227, 257, 293, 317, 347, 383, 467, 593, 647, 677, 683, 797, 857, 953, 1163, 1193, 1217, 1607, 1877, 1907, 1913, 1997, 2063, 2207, 2237, 2843, 2903, 3023, 3257, 3323, 3557, 3947, 4133, 4253, 4517, 4583, 4643, 4967, 5087, 5387]

cp's OEIS Frontend

A023244 Primes that remain prime through 2 iterations of the function f(x) = 2x + 7.

Table of values

List of values