A096396 - cp's OEIS frontend

A096396 a(n) = #{ 0 <= i <= n: K(n, i) = +1 } where K(n, i) is the Kronecker symbol.

n	a(n)
0	0
1	2
2	1
3	1
4	2
5	2
6	2
7	5
8	2
9	6
10	3
11	6
12	2
13	6
14	5
15	7
16	8
17	8
18	3
19	10
20	4
21	6
22	6
23	14
24	4
25	20
26	9
27	9
28	6
29	14
30	6
31	21
32	8
33	10
34	10
35	14
36	12
37	18
38	12
39	18
40	8
41	20
42	8
43	21
44	10
45	12
46	13
47	28
48	8
49	42
50	11
51	18
52	12
53	26
54	10
55	29
56	12
57	18
58	15
59	32
60	8
61	30
62	19
63	19
64	32
65	24
66	14
67	32
68	16
69	22
70	14
71	42
72	12
73	36
74	23
75	22
76	18
77	30
78	14
79	50
80	16

[0, 2, 1, 1, 2, 2, 2, 5, 2, 6, 3, 6, 2, 6, 5, 7, 8, 8, 3, 10, 4, 6, 6, 14, 4, 20, 9, 9, 6, 14, 6, 21, 8, 10, 10, 14, 12, 18, 12, 18, 8, 20, 8, 21, 10, 12, 13, 28, 8, 42, 11, 18, 12, 26, 10, 29, 12, 18, 15, 32, 8, 30, 19, 19, 32, 24, 14, 32, 16, 22, 14, 42, 12, 36, 23, 22, 18, 30, 14, 50, 16]

cp's OEIS Frontend

A096396 a(n) = #{ 0 <= i <= n: K(n, i) = +1 } where K(n, i) is the Kronecker symbol.

Table of values

List of values

n	a(n)
0	0
1	2
2	1
3	1
4	2
5	2
6	2
7	5
8	2
9	6
10	3
11	6
12	2
13	6
14	5
15	7
16	8
17	8
18	3
19	10
20	4
21	6
22	6
23	14
24	4
25	20
26	9
27	9
28	6
29	14
30	6
31	21
32	8
33	10
34	10
35	14
36	12
37	18
38	12
39	18
40	8
41	20
42	8
43	21
44	10
45	12
46	13
47	28
48	8
49	42
50	11
51	18
52	12
53	26
54	10
55	29
56	12
57	18
58	15
59	32
60	8
61	30
62	19
63	19
64	32
65	24
66	14
67	32
68	16
69	22
70	14
71	42
72	12
73	36
74	23
75	22
76	18
77	30
78	14
79	50
80	16

n	a(n)
0	0
1	2
2	1
3	1
4	2
5	2
6	2
7	5
8	2
9	6
10	3
11	6
12	2
13	6
14	5
15	7
16	8
17	8
18	3
19	10
20	4
21	6
22	6
23	14
24	4
25	20
26	9
27	9
28	6
29	14
30	6
31	21
32	8
33	10
34	10
35	14
36	12
37	18
38	12
39	18
40	8
41	20
42	8
43	21
44	10
45	12
46	13
47	28
48	8
49	42
50	11
51	18
52	12
53	26
54	10
55	29
56	12
57	18
58	15
59	32
60	8
61	30
62	19
63	19
64	32
65	24
66	14
67	32
68	16
69	22
70	14
71	42
72	12
73	36
74	23
75	22
76	18
77	30
78	14
79	50
80	16

n	a(n)
0	0
1	2
2	1
3	1
4	2
5	2
6	2
7	5
8	2
9	6
10	3
11	6
12	2
13	6
14	5
15	7
16	8
17	8
18	3
19	10
20	4
21	6
22	6
23	14
24	4
25	20
26	9
27	9
28	6
29	14
30	6
31	21
32	8
33	10
34	10
35	14
36	12
37	18
38	12
39	18
40	8
41	20
42	8
43	21
44	10
45	12
46	13
47	28
48	8
49	42
50	11
51	18
52	12
53	26
54	10
55	29
56	12
57	18
58	15
59	32
60	8
61	30
62	19
63	19
64	32
65	24
66	14
67	32
68	16
69	22
70	14
71	42
72	12
73	36
74	23
75	22
76	18
77	30
78	14
79	50
80	16