A238048 - cp's OEIS frontend

A238048 Square array A(n,k), n>=1, k>=1, read by antidiagonals, where column k is the increasing list of all primes p such that (p+k)^2+k is also prime.

n	a(n)
1	3
2	7
3	5
4	5
5	13
6	13
7	3
8	7
9	19
10	19
11	7
12	11
13	11
14	31
15	23
16	5
17	31
18	13
19	19
20	37
21	53
22	3
23	13
24	43
25	23
26	47
27	43
28	73
29	7
30	5
31	19
32	67
33	29
34	59
35	79
36	83
37	11
38	13
39	11
40	29
41	73
42	31
43	61
44	97
45	89
46	3
47	23
48	43
49	19
50	59
51	109
52	41
53	67
54	103
55	109
56	13
57	17
58	29
59	73
60	23
61	73
62	157
63	43
64	71
65	109
66	149

[3, 7, 5, 5, 13, 13, 3, 7, 19, 19, 7, 11, 11, 31, 23, 5, 31, 13, 19, 37, 53, 3, 13, 43, 23, 47, 43, 73, 7, 5, 19, 67, 29, 59, 79, 83, 11, 13, 11, 29, 73, 31, 61, 97, 89, 3, 23, 43, 19, 59, 109, 41, 67, 103, 109, 13, 17, 29, 73, 23, 73, 157, 43, 71, 109, 149]

cp's OEIS Frontend

A238048 Square array A(n,k), n>=1, k>=1, read by antidiagonals, where column k is the increasing list of all primes p such that (p+k)^2+k is also prime.

Table of values

List of values

n	a(n)
1	3
2	7
3	5
4	5
5	13
6	13
7	3
8	7
9	19
10	19
11	7
12	11
13	11
14	31
15	23
16	5
17	31
18	13
19	19
20	37
21	53
22	3
23	13
24	43
25	23
26	47
27	43
28	73
29	7
30	5
31	19
32	67
33	29
34	59
35	79
36	83
37	11
38	13
39	11
40	29
41	73
42	31
43	61
44	97
45	89
46	3
47	23
48	43
49	19
50	59
51	109
52	41
53	67
54	103
55	109
56	13
57	17
58	29
59	73
60	23
61	73
62	157
63	43
64	71
65	109
66	149

n	a(n)
1	3
2	7
3	5
4	5
5	13
6	13
7	3
8	7
9	19
10	19
11	7
12	11
13	11
14	31
15	23
16	5
17	31
18	13
19	19
20	37
21	53
22	3
23	13
24	43
25	23
26	47
27	43
28	73
29	7
30	5
31	19
32	67
33	29
34	59
35	79
36	83
37	11
38	13
39	11
40	29
41	73
42	31
43	61
44	97
45	89
46	3
47	23
48	43
49	19
50	59
51	109
52	41
53	67
54	103
55	109
56	13
57	17
58	29
59	73
60	23
61	73
62	157
63	43
64	71
65	109
66	149

n	a(n)
1	3
2	7
3	5
4	5
5	13
6	13
7	3
8	7
9	19
10	19
11	7
12	11
13	11
14	31
15	23
16	5
17	31
18	13
19	19
20	37
21	53
22	3
23	13
24	43
25	23
26	47
27	43
28	73
29	7
30	5
31	19
32	67
33	29
34	59
35	79
36	83
37	11
38	13
39	11
40	29
41	73
42	31
43	61
44	97
45	89
46	3
47	23
48	43
49	19
50	59
51	109
52	41
53	67
54	103
55	109
56	13
57	17
58	29
59	73
60	23
61	73
62	157
63	43
64	71
65	109
66	149