A002307 - cp's OEIS frontend

A002307 Consecutive quadratic residues mod p: a(n) is the maximal number of positive reduced quadratic residues which appear consecutively for n-th prime.

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	2
7	2
8	4
9	4
10	4
11	4
12	4
13	3
14	5
15	4
16	3
17	5
18	5
19	6
20	6
21	4
22	6
23	7
24	4
25	4
26	7
27	7
28	6
29	5
30	5
31	7
32	8
33	6
34	5
35	4
36	7
37	6
38	6
39	6
40	6
41	6
42	6
43	6
44	4
45	7
46	6
47	7
48	7
49	7
50	5
51	6
52	6
53	6
54	7
55	6
56	7
57	8
58	7
59	10
60	6
61	9
62	9
63	7
64	10
65	5
66	5
67	8
68	5
69	8
70	6
71	6
72	8
73	9
74	6
75	8
76	8
77	8
78	5
79	7
80	6
81	8
82	7
83	6
84	7
85	10
86	8
87	8
88	5
89	8
90	8
91	11
92	12
93	8
94	8
95	10
96	8
97	9
98	8
99	10
100	7
101	9
102	9
103	10
104	10
105	7
106	6
107	9

[1, 1, 1, 2, 3, 2, 2, 4, 4, 4, 4, 4, 3, 5, 4, 3, 5, 5, 6, 6, 4, 6, 7, 4, 4, 7, 7, 6, 5, 5, 7, 8, 6, 5, 4, 7, 6, 6, 6, 6, 6, 6, 6, 4, 7, 6, 7, 7, 7, 5, 6, 6, 6, 7, 6, 7, 8, 7, 10, 6, 9, 9, 7, 10, 5, 5, 8, 5, 8, 6, 6, 8, 9, 6, 8, 8, 8, 5, 7, 6, 8, 7, 6, 7, 10, 8, 8, 5, 8, 8, 11, 12, 8, 8, 10, 8, 9, 8, 10, 7, 9, 9, 10, 10, 7, 6, 9]

cp's OEIS Frontend

A002307 Consecutive quadratic residues mod p: a(n) is the maximal number of positive reduced quadratic residues which appear consecutively for n-th prime.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	2
7	2
8	4
9	4
10	4
11	4
12	4
13	3
14	5
15	4
16	3
17	5
18	5
19	6
20	6
21	4
22	6
23	7
24	4
25	4
26	7
27	7
28	6
29	5
30	5
31	7
32	8
33	6
34	5
35	4
36	7
37	6
38	6
39	6
40	6
41	6
42	6
43	6
44	4
45	7
46	6
47	7
48	7
49	7
50	5
51	6
52	6
53	6
54	7
55	6
56	7
57	8
58	7
59	10
60	6
61	9
62	9
63	7
64	10
65	5
66	5
67	8
68	5
69	8
70	6
71	6
72	8
73	9
74	6
75	8
76	8
77	8
78	5
79	7
80	6
81	8
82	7
83	6
84	7
85	10
86	8
87	8
88	5
89	8
90	8
91	11
92	12
93	8
94	8
95	10
96	8
97	9
98	8
99	10
100	7
101	9
102	9
103	10
104	10
105	7
106	6
107	9

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	2
7	2
8	4
9	4
10	4
11	4
12	4
13	3
14	5
15	4
16	3
17	5
18	5
19	6
20	6
21	4
22	6
23	7
24	4
25	4
26	7
27	7
28	6
29	5
30	5
31	7
32	8
33	6
34	5
35	4
36	7
37	6
38	6
39	6
40	6
41	6
42	6
43	6
44	4
45	7
46	6
47	7
48	7
49	7
50	5
51	6
52	6
53	6
54	7
55	6
56	7
57	8
58	7
59	10
60	6
61	9
62	9
63	7
64	10
65	5
66	5
67	8
68	5
69	8
70	6
71	6
72	8
73	9
74	6
75	8
76	8
77	8
78	5
79	7
80	6
81	8
82	7
83	6
84	7
85	10
86	8
87	8
88	5
89	8
90	8
91	11
92	12
93	8
94	8
95	10
96	8
97	9
98	8
99	10
100	7
101	9
102	9
103	10
104	10
105	7
106	6
107	9

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	2
7	2
8	4
9	4
10	4
11	4
12	4
13	3
14	5
15	4
16	3
17	5
18	5
19	6
20	6
21	4
22	6
23	7
24	4
25	4
26	7
27	7
28	6
29	5
30	5
31	7
32	8
33	6
34	5
35	4
36	7
37	6
38	6
39	6
40	6
41	6
42	6
43	6
44	4
45	7
46	6
47	7
48	7
49	7
50	5
51	6
52	6
53	6
54	7
55	6
56	7
57	8
58	7
59	10
60	6
61	9
62	9
63	7
64	10
65	5
66	5
67	8
68	5
69	8
70	6
71	6
72	8
73	9
74	6
75	8
76	8
77	8
78	5
79	7
80	6
81	8
82	7
83	6
84	7
85	10
86	8
87	8
88	5
89	8
90	8
91	11
92	12
93	8
94	8
95	10
96	8
97	9
98	8
99	10
100	7
101	9
102	9
103	10
104	10
105	7
106	6
107	9