A302445 - cp's OEIS frontend

A302445 Triangle read by rows: row n gives primes of form k^2 + n - k for 0 < k < n.

n	a(n)
2	2
3	3
4	5
5	5
6	7
7	11
8	17
9	7
10	13
11	19
12	37
13	11
14	29
15	11
16	13
17	17
18	23
19	31
20	41
21	53
22	67
23	83
24	101
25	13
26	19
27	43
28	103
29	17
30	71
31	197
32	17
33	19
34	23
35	29
36	37
37	47
38	59
39	73
40	89
41	107
42	127
43	149
44	173
45	199
46	227
47	257
48	19
49	31
50	61
51	109
52	151
53	229
54	23
55	41
56	131
57	293
58	401
59	23
60	29
61	43
62	53
63	79
64	113
65	179
66	233
67	263
68	443

[2, 3, 5, 5, 7, 11, 17, 7, 13, 19, 37, 11, 29, 11, 13, 17, 23, 31, 41, 53, 67, 83, 101, 13, 19, 43, 103, 17, 71, 197, 17, 19, 23, 29, 37, 47, 59, 73, 89, 107, 127, 149, 173, 199, 227, 257, 19, 31, 61, 109, 151, 229, 23, 41, 131, 293, 401, 23, 29, 43, 53, 79, 113, 179, 233, 263, 443]

cp's OEIS Frontend

A302445 Triangle read by rows: row n gives primes of form k^2 + n - k for 0 < k < n.

Table of values

List of values

n	a(n)
2	2
3	3
4	5
5	5
6	7
7	11
8	17
9	7
10	13
11	19
12	37
13	11
14	29
15	11
16	13
17	17
18	23
19	31
20	41
21	53
22	67
23	83
24	101
25	13
26	19
27	43
28	103
29	17
30	71
31	197
32	17
33	19
34	23
35	29
36	37
37	47
38	59
39	73
40	89
41	107
42	127
43	149
44	173
45	199
46	227
47	257
48	19
49	31
50	61
51	109
52	151
53	229
54	23
55	41
56	131
57	293
58	401
59	23
60	29
61	43
62	53
63	79
64	113
65	179
66	233
67	263
68	443

n	a(n)
2	2
3	3
4	5
5	5
6	7
7	11
8	17
9	7
10	13
11	19
12	37
13	11
14	29
15	11
16	13
17	17
18	23
19	31
20	41
21	53
22	67
23	83
24	101
25	13
26	19
27	43
28	103
29	17
30	71
31	197
32	17
33	19
34	23
35	29
36	37
37	47
38	59
39	73
40	89
41	107
42	127
43	149
44	173
45	199
46	227
47	257
48	19
49	31
50	61
51	109
52	151
53	229
54	23
55	41
56	131
57	293
58	401
59	23
60	29
61	43
62	53
63	79
64	113
65	179
66	233
67	263
68	443

n	a(n)
2	2
3	3
4	5
5	5
6	7
7	11
8	17
9	7
10	13
11	19
12	37
13	11
14	29
15	11
16	13
17	17
18	23
19	31
20	41
21	53
22	67
23	83
24	101
25	13
26	19
27	43
28	103
29	17
30	71
31	197
32	17
33	19
34	23
35	29
36	37
37	47
38	59
39	73
40	89
41	107
42	127
43	149
44	173
45	199
46	227
47	257
48	19
49	31
50	61
51	109
52	151
53	229
54	23
55	41
56	131
57	293
58	401
59	23
60	29
61	43
62	53
63	79
64	113
65	179
66	233
67	263
68	443