A084925 - cp's OEIS frontend

A084925 Inverse hyperbolic cotangent irreducible numbers: positive integers such that the arccoth of these numbers form a basis for the space of arccoth of rationals >=1. The hyperbolic analog of the Stormer numbers (A005528).

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	24
15	28
16	30
17	32
18	36
19	38
20	40
21	42
22	44
23	46
24	48
25	50
26	52
27	54
28	58
29	60
30	62
31	66
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	88
41	90
42	92
43	96
44	98
45	100
46	102
47	104
48	106
49	108
50	110
51	112
52	114
53	122
54	126
55	128
56	130
57	132
58	136
59	138
60	140
61	142
62	144
63	148
64	150

[1, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 30, 32, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 58, 60, 62, 66, 68, 70, 72, 74, 78, 80, 82, 84, 88, 90, 92, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 122, 126, 128, 130, 132, 136, 138, 140, 142, 144, 148, 150]

cp's OEIS Frontend

A084925 Inverse hyperbolic cotangent irreducible numbers: positive integers such that the arccoth of these numbers form a basis for the space of arccoth of rationals >=1. The hyperbolic analog of the Stormer numbers (A005528).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	24
15	28
16	30
17	32
18	36
19	38
20	40
21	42
22	44
23	46
24	48
25	50
26	52
27	54
28	58
29	60
30	62
31	66
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	88
41	90
42	92
43	96
44	98
45	100
46	102
47	104
48	106
49	108
50	110
51	112
52	114
53	122
54	126
55	128
56	130
57	132
58	136
59	138
60	140
61	142
62	144
63	148
64	150

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	24
15	28
16	30
17	32
18	36
19	38
20	40
21	42
22	44
23	46
24	48
25	50
26	52
27	54
28	58
29	60
30	62
31	66
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	88
41	90
42	92
43	96
44	98
45	100
46	102
47	104
48	106
49	108
50	110
51	112
52	114
53	122
54	126
55	128
56	130
57	132
58	136
59	138
60	140
61	142
62	144
63	148
64	150

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	24
15	28
16	30
17	32
18	36
19	38
20	40
21	42
22	44
23	46
24	48
25	50
26	52
27	54
28	58
29	60
30	62
31	66
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	88
41	90
42	92
43	96
44	98
45	100
46	102
47	104
48	106
49	108
50	110
51	112
52	114
53	122
54	126
55	128
56	130
57	132
58	136
59	138
60	140
61	142
62	144
63	148
64	150