A260352 - cp's OEIS frontend

A260352 Numbers n such that both 2n^2+11 and 2(n+1)^2+11 are prime.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	15
12	18
13	19
14	23
15	28
16	29
17	30
18	41
19	42
20	49
21	62
22	69
23	70
24	94
25	95
26	108
27	123
28	136
29	145
30	151
31	152
32	189
33	190
34	204
35	212
36	215
37	223
38	227
39	276
40	277
41	278
42	281
43	290
44	291
45	294
46	314
47	328
48	342
49	353
50	367
51	368
52	372
53	405
54	410
55	436
56	488
57	497

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 18, 19, 23, 28, 29, 30, 41, 42, 49, 62, 69, 70, 94, 95, 108, 123, 136, 145, 151, 152, 189, 190, 204, 212, 215, 223, 227, 276, 277, 278, 281, 290, 291, 294, 314, 328, 342, 353, 367, 368, 372, 405, 410, 436, 488, 497]

cp's OEIS Frontend

A260352 Numbers n such that both 2n^2+11 and 2(n+1)^2+11 are prime.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	15
12	18
13	19
14	23
15	28
16	29
17	30
18	41
19	42
20	49
21	62
22	69
23	70
24	94
25	95
26	108
27	123
28	136
29	145
30	151
31	152
32	189
33	190
34	204
35	212
36	215
37	223
38	227
39	276
40	277
41	278
42	281
43	290
44	291
45	294
46	314
47	328
48	342
49	353
50	367
51	368
52	372
53	405
54	410
55	436
56	488
57	497

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	15
12	18
13	19
14	23
15	28
16	29
17	30
18	41
19	42
20	49
21	62
22	69
23	70
24	94
25	95
26	108
27	123
28	136
29	145
30	151
31	152
32	189
33	190
34	204
35	212
36	215
37	223
38	227
39	276
40	277
41	278
42	281
43	290
44	291
45	294
46	314
47	328
48	342
49	353
50	367
51	368
52	372
53	405
54	410
55	436
56	488
57	497

cp's OEIS Frontend

A260352 Numbers n such that both 2*n^2+11 and 2*(n+1)^2+11 are prime.

Table of values

List of values

A260352 Numbers n such that both 2n^2+11 and 2(n+1)^2+11 are prime.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	15
12	18
13	19
14	23
15	28
16	29
17	30
18	41
19	42
20	49
21	62
22	69
23	70
24	94
25	95
26	108
27	123
28	136
29	145
30	151
31	152
32	189
33	190
34	204
35	212
36	215
37	223
38	227
39	276
40	277
41	278
42	281
43	290
44	291
45	294
46	314
47	328
48	342
49	353
50	367
51	368
52	372
53	405
54	410
55	436
56	488
57	497