A247985 - cp's OEIS frontend

A247985 Least number k such that product{(k^2 + h)/(k^2 - h), h = 1..k} - e < 1/n.

n	a(n)
1	4
2	7
3	9
4	12
5	15
6	17
7	20
8	23
9	26
10	28
11	31
12	34
13	37
14	39
15	42
16	45
17	47
18	50
19	53
20	56
21	58
22	61
23	64
24	66
25	69
26	72
27	75
28	77
29	80
30	83
31	85
32	88
33	91
34	94
35	96
36	99
37	102
38	104
39	107
40	110
41	113
42	115
43	118
44	121
45	123
46	126
47	129
48	132
49	134
50	137
51	140
52	143
53	145
54	148
55	151
56	153
57	156
58	159
59	162

[4, 7, 9, 12, 15, 17, 20, 23, 26, 28, 31, 34, 37, 39, 42, 45, 47, 50, 53, 56, 58, 61, 64, 66, 69, 72, 75, 77, 80, 83, 85, 88, 91, 94, 96, 99, 102, 104, 107, 110, 113, 115, 118, 121, 123, 126, 129, 132, 134, 137, 140, 143, 145, 148, 151, 153, 156, 159, 162]

cp's OEIS Frontend

A247985 Least number k such that product{(k^2 + h)/(k^2 - h), h = 1..k} - e < 1/n.

Table of values

List of values

n	a(n)
1	4
2	7
3	9
4	12
5	15
6	17
7	20
8	23
9	26
10	28
11	31
12	34
13	37
14	39
15	42
16	45
17	47
18	50
19	53
20	56
21	58
22	61
23	64
24	66
25	69
26	72
27	75
28	77
29	80
30	83
31	85
32	88
33	91
34	94
35	96
36	99
37	102
38	104
39	107
40	110
41	113
42	115
43	118
44	121
45	123
46	126
47	129
48	132
49	134
50	137
51	140
52	143
53	145
54	148
55	151
56	153
57	156
58	159
59	162

n	a(n)
1	4
2	7
3	9
4	12
5	15
6	17
7	20
8	23
9	26
10	28
11	31
12	34
13	37
14	39
15	42
16	45
17	47
18	50
19	53
20	56
21	58
22	61
23	64
24	66
25	69
26	72
27	75
28	77
29	80
30	83
31	85
32	88
33	91
34	94
35	96
36	99
37	102
38	104
39	107
40	110
41	113
42	115
43	118
44	121
45	123
46	126
47	129
48	132
49	134
50	137
51	140
52	143
53	145
54	148
55	151
56	153
57	156
58	159
59	162

n	a(n)
1	4
2	7
3	9
4	12
5	15
6	17
7	20
8	23
9	26
10	28
11	31
12	34
13	37
14	39
15	42
16	45
17	47
18	50
19	53
20	56
21	58
22	61
23	64
24	66
25	69
26	72
27	75
28	77
29	80
30	83
31	85
32	88
33	91
34	94
35	96
36	99
37	102
38	104
39	107
40	110
41	113
42	115
43	118
44	121
45	123
46	126
47	129
48	132
49	134
50	137
51	140
52	143
53	145
54	148
55	151
56	153
57	156
58	159
59	162