A369902 - cp's OEIS frontend

A369902 Number of isomorphism classes of elliptic curves over the finite field of order prime(n) whose trace of Frobenius is zero.

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

[1, 2, 2, 2, 4, 2, 4, 4, 6, 6, 6, 2, 8, 4, 10, 6, 12, 6, 4, 14, 4, 10, 12, 12, 4, 14, 10, 12, 6, 8, 10, 20, 8, 12, 14, 14, 6, 4, 22, 14, 20, 10, 26, 4, 10, 18, 12, 14, 20, 10, 12, 30, 12, 28, 16, 26, 22, 22, 6, 20, 12, 18, 12, 38, 8, 10, 12, 8, 20, 14, 16, 38, 18, 10, 12, 34, 22, 6, 20, 16]

cp's OEIS Frontend

A369902 Number of isomorphism classes of elliptic curves over the finite field of order prime(n) whose trace of Frobenius is zero.

Table of values

List of values

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

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

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