A248103 - cp's OEIS frontend

A248103 Least k such that ((2k+1)/(2k-1))^k < 1/(2n^2).

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

[1, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 15, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 23, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34, 35, 36, 36, 37, 38, 38, 39, 40, 40, 41, 42, 42, 43, 44, 44, 45, 46, 46]

cp's OEIS Frontend

A248103 Least k such that ((2k+1)/(2k-1))^k < 1/(2n^2).

Table of values

List of values

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

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

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