A281363 - cp's OEIS frontend

A281363 Smallest m>0 such that (2n)^2 - 1 divides (2^m)^(2n) - 1.

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	5
7	6
8	1
9	4
10	9
11	3
12	55
13	90
14	9
15	14
16	5
17	30
18	1
19	18
20	3
21	10
22	21
23	6
24	161
25	84
26	2
27	130
28	45
29	9
30	29
31	30
32	3
33	2
34	33
35	11
36	35
37	90
38	15
39	5
40	351
41	27
42	82
43	28
44	7
45	22
46	15
47	90
48	3
49	120
50	3
51	50
52	51
53	6
54	53
55	18
56	9
57	154
58	33
59	12
60	11
61	110
62	25
63	50
64	7
65	7
66	195
67	18
68	9
69	34
70	69

[1, 1, 2, 3, 3, 5, 6, 1, 4, 9, 3, 55, 90, 9, 14, 5, 30, 1, 18, 3, 10, 21, 6, 161, 84, 2, 130, 45, 9, 29, 30, 3, 2, 33, 11, 35, 90, 15, 5, 351, 27, 82, 28, 7, 22, 15, 90, 3, 120, 3, 50, 51, 6, 53, 18, 9, 154, 33, 12, 11, 110, 25, 50, 7, 7, 195, 18, 9, 34, 69]

cp's OEIS Frontend

A281363 Smallest m>0 such that (2n)^2 - 1 divides (2^m)^(2n) - 1.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	5
7	6
8	1
9	4
10	9
11	3
12	55
13	90
14	9
15	14
16	5
17	30
18	1
19	18
20	3
21	10
22	21
23	6
24	161
25	84
26	2
27	130
28	45
29	9
30	29
31	30
32	3
33	2
34	33
35	11
36	35
37	90
38	15
39	5
40	351
41	27
42	82
43	28
44	7
45	22
46	15
47	90
48	3
49	120
50	3
51	50
52	51
53	6
54	53
55	18
56	9
57	154
58	33
59	12
60	11
61	110
62	25
63	50
64	7
65	7
66	195
67	18
68	9
69	34
70	69

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	5
7	6
8	1
9	4
10	9
11	3
12	55
13	90
14	9
15	14
16	5
17	30
18	1
19	18
20	3
21	10
22	21
23	6
24	161
25	84
26	2
27	130
28	45
29	9
30	29
31	30
32	3
33	2
34	33
35	11
36	35
37	90
38	15
39	5
40	351
41	27
42	82
43	28
44	7
45	22
46	15
47	90
48	3
49	120
50	3
51	50
52	51
53	6
54	53
55	18
56	9
57	154
58	33
59	12
60	11
61	110
62	25
63	50
64	7
65	7
66	195
67	18
68	9
69	34
70	69

cp's OEIS Frontend

A281363 Smallest m>0 such that (2*n)^2 - 1 divides (2^m)^(2*n) - 1.

Table of values

List of values

A281363 Smallest m>0 such that (2n)^2 - 1 divides (2^m)^(2n) - 1.

n	a(n)
1	1
2	1
3	2
4	3
5	3
6	5
7	6
8	1
9	4
10	9
11	3
12	55
13	90
14	9
15	14
16	5
17	30
18	1
19	18
20	3
21	10
22	21
23	6
24	161
25	84
26	2
27	130
28	45
29	9
30	29
31	30
32	3
33	2
34	33
35	11
36	35
37	90
38	15
39	5
40	351
41	27
42	82
43	28
44	7
45	22
46	15
47	90
48	3
49	120
50	3
51	50
52	51
53	6
54	53
55	18
56	9
57	154
58	33
59	12
60	11
61	110
62	25
63	50
64	7
65	7
66	195
67	18
68	9
69	34
70	69