A176978 - cp's OEIS frontend

A176978 Numbers n such that n^2 + 13 and n^2 + 13^2 are primes.

n	a(n)
1	2
2	10
3	12
4	28
5	42
6	60
7	68
8	108
9	110
10	122
11	142
12	180
13	198
14	200
15	268
16	282
17	340
18	378
19	380
20	418
21	430
22	488
23	500
24	502
25	530
26	612
27	742
28	788
29	802
30	838
31	840
32	912
33	942
34	948
35	952
36	1010
37	1080
38	1102
39	1148
40	1232
41	1270
42	1428
43	1452
44	1472
45	1502
46	1522
47	1538
48	1720
49	1778
50	1830

[2, 10, 12, 28, 42, 60, 68, 108, 110, 122, 142, 180, 198, 200, 268, 282, 340, 378, 380, 418, 430, 488, 500, 502, 530, 612, 742, 788, 802, 838, 840, 912, 942, 948, 952, 1010, 1080, 1102, 1148, 1232, 1270, 1428, 1452, 1472, 1502, 1522, 1538, 1720, 1778, 1830]

cp's OEIS Frontend

A176978 Numbers n such that n^2 + 13 and n^2 + 13^2 are primes.

Table of values

List of values