A048281 - cp's OEIS frontend

A048281 Beginning of first run of consecutive quadratic residues mod prime(n) of longest length.

n	a(n)
1	0
2	0
3	4
4	0
5	3
6	12
7	15
8	4
9	0
10	4
11	7
12	9
13	39
14	13
15	0
16	9
17	25
18	12
19	21
20	0
21	69
22	18
23	25
24	87
25	93
26	19
27	13
28	9
29	25
30	49
31	68
32	58
33	14
34	34
35	4
36	16
37	9
38	53
39	61
40	33
41	12
42	11
43	0
44	189
45	59
46	61
47	78
48	28
49	73
50	42
51	28
52	0
53	235
54	63
55	57
56	31
57	51
58	77
59	83
60	31
61	89
62	53
63	99
64	0
65	309
66	36
67	120
68	333
69	323
70	121
71	164
72	44
73	207
74	36
75	19
76	200
77	62
78	33

[0, 0, 4, 0, 3, 12, 15, 4, 0, 4, 7, 9, 39, 13, 0, 9, 25, 12, 21, 0, 69, 18, 25, 87, 93, 19, 13, 9, 25, 49, 68, 58, 14, 34, 4, 16, 9, 53, 61, 33, 12, 11, 0, 189, 59, 61, 78, 28, 73, 42, 28, 0, 235, 63, 57, 31, 51, 77, 83, 31, 89, 53, 99, 0, 309, 36, 120, 333, 323, 121, 164, 44, 207, 36, 19, 200, 62, 33]

cp's OEIS Frontend

A048281 Beginning of first run of consecutive quadratic residues mod prime(n) of longest length.

Table of values

List of values

n	a(n)
1	0
2	0
3	4
4	0
5	3
6	12
7	15
8	4
9	0
10	4
11	7
12	9
13	39
14	13
15	0
16	9
17	25
18	12
19	21
20	0
21	69
22	18
23	25
24	87
25	93
26	19
27	13
28	9
29	25
30	49
31	68
32	58
33	14
34	34
35	4
36	16
37	9
38	53
39	61
40	33
41	12
42	11
43	0
44	189
45	59
46	61
47	78
48	28
49	73
50	42
51	28
52	0
53	235
54	63
55	57
56	31
57	51
58	77
59	83
60	31
61	89
62	53
63	99
64	0
65	309
66	36
67	120
68	333
69	323
70	121
71	164
72	44
73	207
74	36
75	19
76	200
77	62
78	33

n	a(n)
1	0
2	0
3	4
4	0
5	3
6	12
7	15
8	4
9	0
10	4
11	7
12	9
13	39
14	13
15	0
16	9
17	25
18	12
19	21
20	0
21	69
22	18
23	25
24	87
25	93
26	19
27	13
28	9
29	25
30	49
31	68
32	58
33	14
34	34
35	4
36	16
37	9
38	53
39	61
40	33
41	12
42	11
43	0
44	189
45	59
46	61
47	78
48	28
49	73
50	42
51	28
52	0
53	235
54	63
55	57
56	31
57	51
58	77
59	83
60	31
61	89
62	53
63	99
64	0
65	309
66	36
67	120
68	333
69	323
70	121
71	164
72	44
73	207
74	36
75	19
76	200
77	62
78	33

n	a(n)
1	0
2	0
3	4
4	0
5	3
6	12
7	15
8	4
9	0
10	4
11	7
12	9
13	39
14	13
15	0
16	9
17	25
18	12
19	21
20	0
21	69
22	18
23	25
24	87
25	93
26	19
27	13
28	9
29	25
30	49
31	68
32	58
33	14
34	34
35	4
36	16
37	9
38	53
39	61
40	33
41	12
42	11
43	0
44	189
45	59
46	61
47	78
48	28
49	73
50	42
51	28
52	0
53	235
54	63
55	57
56	31
57	51
58	77
59	83
60	31
61	89
62	53
63	99
64	0
65	309
66	36
67	120
68	333
69	323
70	121
71	164
72	44
73	207
74	36
75	19
76	200
77	62
78	33