A253971 - cp's OEIS frontend

A253971 Prime(n) is included iff prime(n) + n^2 is also prime.

n	a(n)
1	2
2	3
3	7
4	19
5	37
6	43
7	79
8	113
9	151
10	163
11	193
12	229
13	251
14	281
15	317
16	373
17	397
18	433
19	463
20	503
21	577
22	757
23	827
24	911
25	953
26	997
27	1069
28	1123
29	1321
30	1399
31	1423
32	1481
33	1657
34	1693
35	1747
36	2029
37	2143
38	2267
39	2311
40	2473
41	2503
42	2551
43	2593
44	2687
45	2753
46	2791
47	2917
48	3313
49	3323

[2, 3, 7, 19, 37, 43, 79, 113, 151, 163, 193, 229, 251, 281, 317, 373, 397, 433, 463, 503, 577, 757, 827, 911, 953, 997, 1069, 1123, 1321, 1399, 1423, 1481, 1657, 1693, 1747, 2029, 2143, 2267, 2311, 2473, 2503, 2551, 2593, 2687, 2753, 2791, 2917, 3313, 3323]

cp's OEIS Frontend

A253971 Prime(n) is included iff prime(n) + n^2 is also prime.

Table of values

List of values