A260991 - cp's OEIS frontend

A260991 Numbers n such that the modular curve X_0(n) has a bielliptic involution of Atkin-Lehner type.

n	a(n)
1	22
2	26
3	28
4	30
5	33
6	34
7	35
8	37
9	38
10	39
11	40
12	42
13	43
14	44
15	45
16	48
17	50
18	51
19	53
20	54
21	55
22	56
23	60
24	61
25	62
26	63
27	64
28	65
29	69
30	75
31	79
32	81
33	83
34	89
35	92
36	94
37	95
38	101
39	119
40	131

[22, 26, 28, 30, 33, 34, 35, 37, 38, 39, 40, 42, 43, 44, 45, 48, 50, 51, 53, 54, 55, 56, 60, 61, 62, 63, 64, 65, 69, 75, 79, 81, 83, 89, 92, 94, 95, 101, 119, 131]

cp's OEIS Frontend

A260991 Numbers n such that the modular curve X_0(n) has a bielliptic involution of Atkin-Lehner type.

Table of values

List of values

n	a(n)
1	22
2	26
3	28
4	30
5	33
6	34
7	35
8	37
9	38
10	39
11	40
12	42
13	43
14	44
15	45
16	48
17	50
18	51
19	53
20	54
21	55
22	56
23	60
24	61
25	62
26	63
27	64
28	65
29	69
30	75
31	79
32	81
33	83
34	89
35	92
36	94
37	95
38	101
39	119
40	131

n	a(n)
1	22
2	26
3	28
4	30
5	33
6	34
7	35
8	37
9	38
10	39
11	40
12	42
13	43
14	44
15	45
16	48
17	50
18	51
19	53
20	54
21	55
22	56
23	60
24	61
25	62
26	63
27	64
28	65
29	69
30	75
31	79
32	81
33	83
34	89
35	92
36	94
37	95
38	101
39	119
40	131

n	a(n)
1	22
2	26
3	28
4	30
5	33
6	34
7	35
8	37
9	38
10	39
11	40
12	42
13	43
14	44
15	45
16	48
17	50
18	51
19	53
20	54
21	55
22	56
23	60
24	61
25	62
26	63
27	64
28	65
29	69
30	75
31	79
32	81
33	83
34	89
35	92
36	94
37	95
38	101
39	119
40	131