A276183 - cp's OEIS frontend

A276183 Genus of the quotient of the modular curve X_0(n) by the Fricke involution.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	1
39	0
40	1
41	0
42	2
43	1
44	1
45	1
46	2
47	0
48	1
49	0
50	0
51	1
52	2
53	1
54	1
55	1
56	1
57	2
58	3
59	0
60	3
61	1
62	2
63	1
64	1
65	1
66	3
67	2
68	2
69	2
70	4
71	0
72	2
73	2
74	2
75	1
76	3
77	2
78	5
79	1
80	2
81	1
82	4
83	1
84	4
85	3
86	3
87	2
88	4
89	1
90	4
91	2
92	4
93	4
94	4
95	1
96	3
97	3
98	2
99	3
100	3
101	1
102	7

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 2, 1, 1, 1, 2, 0, 1, 0, 0, 1, 2, 1, 1, 1, 1, 2, 3, 0, 3, 1, 2, 1, 1, 1, 3, 2, 2, 2, 4, 0, 2, 2, 2, 1, 3, 2, 5, 1, 2, 1, 4, 1, 4, 3, 3, 2, 4, 1, 4, 2, 4, 4, 4, 1, 3, 3, 2, 3, 3, 1, 7]

cp's OEIS Frontend

A276183 Genus of the quotient of the modular curve X_0(n) by the Fricke involution.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	1
39	0
40	1
41	0
42	2
43	1
44	1
45	1
46	2
47	0
48	1
49	0
50	0
51	1
52	2
53	1
54	1
55	1
56	1
57	2
58	3
59	0
60	3
61	1
62	2
63	1
64	1
65	1
66	3
67	2
68	2
69	2
70	4
71	0
72	2
73	2
74	2
75	1
76	3
77	2
78	5
79	1
80	2
81	1
82	4
83	1
84	4
85	3
86	3
87	2
88	4
89	1
90	4
91	2
92	4
93	4
94	4
95	1
96	3
97	3
98	2
99	3
100	3
101	1
102	7

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	1
39	0
40	1
41	0
42	2
43	1
44	1
45	1
46	2
47	0
48	1
49	0
50	0
51	1
52	2
53	1
54	1
55	1
56	1
57	2
58	3
59	0
60	3
61	1
62	2
63	1
64	1
65	1
66	3
67	2
68	2
69	2
70	4
71	0
72	2
73	2
74	2
75	1
76	3
77	2
78	5
79	1
80	2
81	1
82	4
83	1
84	4
85	3
86	3
87	2
88	4
89	1
90	4
91	2
92	4
93	4
94	4
95	1
96	3
97	3
98	2
99	3
100	3
101	1
102	7

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	0
27	0
28	1
29	0
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	1
39	0
40	1
41	0
42	2
43	1
44	1
45	1
46	2
47	0
48	1
49	0
50	0
51	1
52	2
53	1
54	1
55	1
56	1
57	2
58	3
59	0
60	3
61	1
62	2
63	1
64	1
65	1
66	3
67	2
68	2
69	2
70	4
71	0
72	2
73	2
74	2
75	1
76	3
77	2
78	5
79	1
80	2
81	1
82	4
83	1
84	4
85	3
86	3
87	2
88	4
89	1
90	4
91	2
92	4
93	4
94	4
95	1
96	3
97	3
98	2
99	3
100	3
101	1
102	7