A063988 - cp's OEIS frontend

A063988 Triangle in which n-th row gives quadratic non-residues modulo the n-th prime.

n	a(n)
2	2
3	2
4	3
5	3
6	5
7	6
8	2
9	6
10	7
11	8
12	10
13	2
14	5
15	6
16	7
17	8
18	11
19	3
20	5
21	6
22	7
23	10
24	11
25	12
26	14
27	2
28	3
29	8
30	10
31	12
32	13
33	14
34	15
35	18
36	5
37	7
38	10
39	11
40	14
41	15
42	17
43	19
44	20
45	21
46	22
47	2
48	3
49	8
50	10
51	11
52	12
53	14
54	15
55	17
56	18
57	19
58	21
59	26
60	27
61	3
62	6
63	11
64	12
65	13
66	15
67	17
68	21
69	22
70	23
71	24
72	26
73	27
74	29
75	30
76	2
77	5
78	6
79	8
80	13
81	14

[2, 2, 3, 3, 5, 6, 2, 6, 7, 8, 10, 2, 5, 6, 7, 8, 11, 3, 5, 6, 7, 10, 11, 12, 14, 2, 3, 8, 10, 12, 13, 14, 15, 18, 5, 7, 10, 11, 14, 15, 17, 19, 20, 21, 22, 2, 3, 8, 10, 11, 12, 14, 15, 17, 18, 19, 21, 26, 27, 3, 6, 11, 12, 13, 15, 17, 21, 22, 23, 24, 26, 27, 29, 30, 2, 5, 6, 8, 13, 14]

cp's OEIS Frontend

A063988 Triangle in which n-th row gives quadratic non-residues modulo the n-th prime.

Table of values

List of values

n	a(n)
2	2
3	2
4	3
5	3
6	5
7	6
8	2
9	6
10	7
11	8
12	10
13	2
14	5
15	6
16	7
17	8
18	11
19	3
20	5
21	6
22	7
23	10
24	11
25	12
26	14
27	2
28	3
29	8
30	10
31	12
32	13
33	14
34	15
35	18
36	5
37	7
38	10
39	11
40	14
41	15
42	17
43	19
44	20
45	21
46	22
47	2
48	3
49	8
50	10
51	11
52	12
53	14
54	15
55	17
56	18
57	19
58	21
59	26
60	27
61	3
62	6
63	11
64	12
65	13
66	15
67	17
68	21
69	22
70	23
71	24
72	26
73	27
74	29
75	30
76	2
77	5
78	6
79	8
80	13
81	14

n	a(n)
2	2
3	2
4	3
5	3
6	5
7	6
8	2
9	6
10	7
11	8
12	10
13	2
14	5
15	6
16	7
17	8
18	11
19	3
20	5
21	6
22	7
23	10
24	11
25	12
26	14
27	2
28	3
29	8
30	10
31	12
32	13
33	14
34	15
35	18
36	5
37	7
38	10
39	11
40	14
41	15
42	17
43	19
44	20
45	21
46	22
47	2
48	3
49	8
50	10
51	11
52	12
53	14
54	15
55	17
56	18
57	19
58	21
59	26
60	27
61	3
62	6
63	11
64	12
65	13
66	15
67	17
68	21
69	22
70	23
71	24
72	26
73	27
74	29
75	30
76	2
77	5
78	6
79	8
80	13
81	14

n	a(n)
2	2
3	2
4	3
5	3
6	5
7	6
8	2
9	6
10	7
11	8
12	10
13	2
14	5
15	6
16	7
17	8
18	11
19	3
20	5
21	6
22	7
23	10
24	11
25	12
26	14
27	2
28	3
29	8
30	10
31	12
32	13
33	14
34	15
35	18
36	5
37	7
38	10
39	11
40	14
41	15
42	17
43	19
44	20
45	21
46	22
47	2
48	3
49	8
50	10
51	11
52	12
53	14
54	15
55	17
56	18
57	19
58	21
59	26
60	27
61	3
62	6
63	11
64	12
65	13
66	15
67	17
68	21
69	22
70	23
71	24
72	26
73	27
74	29
75	30
76	2
77	5
78	6
79	8
80	13
81	14