A373751 - cp's OEIS frontend

A373751 Array read by ascending antidiagonals: p is a term of row A(n) if and only if p is a prime and p is a quadratic residue modulo prime(n).

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	5
7	2
8	11
9	13
10	7
11	3
12	7
13	19
14	19
15	11
16	3
17	5
18	11
19	29
20	31
21	13
22	2
23	13
24	11
25	23
26	31
27	37
28	17
29	5
30	13
31	17
32	23
33	29
34	41
35	43
36	19
37	2
38	7
39	17
40	23
41	31
42	37
43	59
44	61
45	23
46	5
47	3
48	11
49	19
50	29
51	37
52	43
53	61
54	67
55	29
56	2
57	7
58	13
59	17
60	43
61	43
62	47
63	53
64	71
65	73
66	31
67	3
68	5
69	13
70	23
71	19
72	47
73	53
74	53
75	67
76	79
77	79
78	37

[2, 3, 3, 5, 7, 5, 2, 11, 13, 7, 3, 7, 19, 19, 11, 3, 5, 11, 29, 31, 13, 2, 13, 11, 23, 31, 37, 17, 5, 13, 17, 23, 29, 41, 43, 19, 2, 7, 17, 23, 31, 37, 59, 61, 23, 5, 3, 11, 19, 29, 37, 43, 61, 67, 29, 2, 7, 13, 17, 43, 43, 47, 53, 71, 73, 31, 3, 5, 13, 23, 19, 47, 53, 53, 67, 79, 79, 37]

cp's OEIS Frontend

A373751 Array read by ascending antidiagonals: p is a term of row A(n) if and only if p is a prime and p is a quadratic residue modulo prime(n).

Table of values

List of values

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	5
7	2
8	11
9	13
10	7
11	3
12	7
13	19
14	19
15	11
16	3
17	5
18	11
19	29
20	31
21	13
22	2
23	13
24	11
25	23
26	31
27	37
28	17
29	5
30	13
31	17
32	23
33	29
34	41
35	43
36	19
37	2
38	7
39	17
40	23
41	31
42	37
43	59
44	61
45	23
46	5
47	3
48	11
49	19
50	29
51	37
52	43
53	61
54	67
55	29
56	2
57	7
58	13
59	17
60	43
61	43
62	47
63	53
64	71
65	73
66	31
67	3
68	5
69	13
70	23
71	19
72	47
73	53
74	53
75	67
76	79
77	79
78	37

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	5
7	2
8	11
9	13
10	7
11	3
12	7
13	19
14	19
15	11
16	3
17	5
18	11
19	29
20	31
21	13
22	2
23	13
24	11
25	23
26	31
27	37
28	17
29	5
30	13
31	17
32	23
33	29
34	41
35	43
36	19
37	2
38	7
39	17
40	23
41	31
42	37
43	59
44	61
45	23
46	5
47	3
48	11
49	19
50	29
51	37
52	43
53	61
54	67
55	29
56	2
57	7
58	13
59	17
60	43
61	43
62	47
63	53
64	71
65	73
66	31
67	3
68	5
69	13
70	23
71	19
72	47
73	53
74	53
75	67
76	79
77	79
78	37

n	a(n)
1	2
2	3
3	3
4	5
5	7
6	5
7	2
8	11
9	13
10	7
11	3
12	7
13	19
14	19
15	11
16	3
17	5
18	11
19	29
20	31
21	13
22	2
23	13
24	11
25	23
26	31
27	37
28	17
29	5
30	13
31	17
32	23
33	29
34	41
35	43
36	19
37	2
38	7
39	17
40	23
41	31
42	37
43	59
44	61
45	23
46	5
47	3
48	11
49	19
50	29
51	37
52	43
53	61
54	67
55	29
56	2
57	7
58	13
59	17
60	43
61	43
62	47
63	53
64	71
65	73
66	31
67	3
68	5
69	13
70	23
71	19
72	47
73	53
74	53
75	67
76	79
77	79
78	37