A054728 - cp's OEIS frontend

A054728 a(n) is the smallest level N such that genus of modular curve X_0(N) is n (or -1 if no such curve exists).

n	a(n)
0	1
1	11
2	22
3	30
4	38
5	42
6	58
7	60
8	74
9	66
10	86
11	78
12	106
13	105
14	118
15	102
16	134
17	114
18	223
19	132
20	166
21	138
22	188
23	156
24	202
25	168
26	214
27	174
28	236
29	186
30	359
31	204
32	262
33	230
34	278
35	222
36	298
37	240
38	314
39	246
40	326
41	210
42	346
43	270
44	358
45	282
46	557
47	306
48	394
49	312
50	412
51	318

[1, 11, 22, 30, 38, 42, 58, 60, 74, 66, 86, 78, 106, 105, 118, 102, 134, 114, 223, 132, 166, 138, 188, 156, 202, 168, 214, 174, 236, 186, 359, 204, 262, 230, 278, 222, 298, 240, 314, 246, 326, 210, 346, 270, 358, 282, 557, 306, 394, 312, 412, 318]

cp's OEIS Frontend

A054728 a(n) is the smallest level N such that genus of modular curve X_0(N) is n (or -1 if no such curve exists).

Table of values

List of values

n	a(n)
0	1
1	11
2	22
3	30
4	38
5	42
6	58
7	60
8	74
9	66
10	86
11	78
12	106
13	105
14	118
15	102
16	134
17	114
18	223
19	132
20	166
21	138
22	188
23	156
24	202
25	168
26	214
27	174
28	236
29	186
30	359
31	204
32	262
33	230
34	278
35	222
36	298
37	240
38	314
39	246
40	326
41	210
42	346
43	270
44	358
45	282
46	557
47	306
48	394
49	312
50	412
51	318

n	a(n)
0	1
1	11
2	22
3	30
4	38
5	42
6	58
7	60
8	74
9	66
10	86
11	78
12	106
13	105
14	118
15	102
16	134
17	114
18	223
19	132
20	166
21	138
22	188
23	156
24	202
25	168
26	214
27	174
28	236
29	186
30	359
31	204
32	262
33	230
34	278
35	222
36	298
37	240
38	314
39	246
40	326
41	210
42	346
43	270
44	358
45	282
46	557
47	306
48	394
49	312
50	412
51	318

n	a(n)
0	1
1	11
2	22
3	30
4	38
5	42
6	58
7	60
8	74
9	66
10	86
11	78
12	106
13	105
14	118
15	102
16	134
17	114
18	223
19	132
20	166
21	138
22	188
23	156
24	202
25	168
26	214
27	174
28	236
29	186
30	359
31	204
32	262
33	230
34	278
35	222
36	298
37	240
38	314
39	246
40	326
41	210
42	346
43	270
44	358
45	282
46	557
47	306
48	394
49	312
50	412
51	318