A174281 - cp's OEIS frontend

A174281 Primes p such that 20p^2+32p+13 is also prime.

n	a(n)
1	2
2	5
3	7
4	17
5	19
6	23
7	29
8	47
9	73
10	83
11	89
12	97
13	107
14	113
15	127
16	137
17	149
18	163
19	197
20	227
21	229
22	233
23	239
24	257
25	269
26	307
27	359
28	367
29	373
30	379
31	439
32	449
33	557
34	569
35	619
36	647
37	673
38	727
39	739
40	769
41	797
42	827
43	877
44	883
45	919
46	977
47	983
48	997
49	1009
50	1033
51	1039
52	1087
53	1117
54	1123

[2, 5, 7, 17, 19, 23, 29, 47, 73, 83, 89, 97, 107, 113, 127, 137, 149, 163, 197, 227, 229, 233, 239, 257, 269, 307, 359, 367, 373, 379, 439, 449, 557, 569, 619, 647, 673, 727, 739, 769, 797, 827, 877, 883, 919, 977, 983, 997, 1009, 1033, 1039, 1087, 1117, 1123]

cp's OEIS Frontend

A174281 Primes p such that 20p^2+32p+13 is also prime.

Table of values

List of values

cp's OEIS Frontend

A174281 Primes p such that 20*p^2+32*p+13 is also prime.

Table of values

List of values

A174281 Primes p such that 20p^2+32p+13 is also prime.