A145490 - cp's OEIS frontend

A145490 Numbers k such that 6k+19 is prime and absolute value of 12k+1 is also prime.

n	a(n)
1	-2
2	-1
3	3
4	8
5	9
6	13
7	15
8	20
9	23
10	29
11	34
12	35
13	48
14	55
15	59
16	63
17	69
18	73
19	78
20	84
21	93
22	100
23	104
24	115
25	119
26	134
27	135
28	139
29	148
30	150
31	169
32	174
33	178
34	185
35	189
36	199
37	203
38	210
39	213
40	218
41	238
42	254
43	255
44	260
45	265
46	268
47	275
48	280
49	288
50	289
51	293
52	294
53	295
54	308
55	309
56	335
57	344

[-2, -1, 3, 8, 9, 13, 15, 20, 23, 29, 34, 35, 48, 55, 59, 63, 69, 73, 78, 84, 93, 100, 104, 115, 119, 134, 135, 139, 148, 150, 169, 174, 178, 185, 189, 199, 203, 210, 213, 218, 238, 254, 255, 260, 265, 268, 275, 280, 288, 289, 293, 294, 295, 308, 309, 335, 344]

cp's OEIS Frontend

A145490 Numbers k such that 6k+19 is prime and absolute value of 12k+1 is also prime.

Table of values

List of values

n	a(n)
1	-2
2	-1
3	3
4	8
5	9
6	13
7	15
8	20
9	23
10	29
11	34
12	35
13	48
14	55
15	59
16	63
17	69
18	73
19	78
20	84
21	93
22	100
23	104
24	115
25	119
26	134
27	135
28	139
29	148
30	150
31	169
32	174
33	178
34	185
35	189
36	199
37	203
38	210
39	213
40	218
41	238
42	254
43	255
44	260
45	265
46	268
47	275
48	280
49	288
50	289
51	293
52	294
53	295
54	308
55	309
56	335
57	344

n	a(n)
1	-2
2	-1
3	3
4	8
5	9
6	13
7	15
8	20
9	23
10	29
11	34
12	35
13	48
14	55
15	59
16	63
17	69
18	73
19	78
20	84
21	93
22	100
23	104
24	115
25	119
26	134
27	135
28	139
29	148
30	150
31	169
32	174
33	178
34	185
35	189
36	199
37	203
38	210
39	213
40	218
41	238
42	254
43	255
44	260
45	265
46	268
47	275
48	280
49	288
50	289
51	293
52	294
53	295
54	308
55	309
56	335
57	344

n	a(n)
1	-2
2	-1
3	3
4	8
5	9
6	13
7	15
8	20
9	23
10	29
11	34
12	35
13	48
14	55
15	59
16	63
17	69
18	73
19	78
20	84
21	93
22	100
23	104
24	115
25	119
26	134
27	135
28	139
29	148
30	150
31	169
32	174
33	178
34	185
35	189
36	199
37	203
38	210
39	213
40	218
41	238
42	254
43	255
44	260
45	265
46	268
47	275
48	280
49	288
50	289
51	293
52	294
53	295
54	308
55	309
56	335
57	344