A248559 - cp's OEIS frontend

A248559 Least k such that log(2) - sum{1/(h*2^h), h = 1..k} < 1/3^n.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	10
9	11
10	13
11	14
12	15
13	17
14	18
15	20
16	21
17	23
18	24
19	26
20	27
21	29
22	30
23	32
24	33
25	35
26	36
27	38
28	40
29	41
30	43
31	44
32	46
33	47
34	49
35	50
36	52
37	53
38	55
39	56
40	58
41	60
42	61
43	63
44	64
45	66
46	67
47	69
48	70
49	72
50	74
51	75
52	77
53	78
54	80
55	81
56	83
57	84
58	86
59	88
60	89
61	91
62	92
63	94
64	95
65	97
66	98

[1, 2, 3, 4, 6, 7, 8, 10, 11, 13, 14, 15, 17, 18, 20, 21, 23, 24, 26, 27, 29, 30, 32, 33, 35, 36, 38, 40, 41, 43, 44, 46, 47, 49, 50, 52, 53, 55, 56, 58, 60, 61, 63, 64, 66, 67, 69, 70, 72, 74, 75, 77, 78, 80, 81, 83, 84, 86, 88, 89, 91, 92, 94, 95, 97, 98]

cp's OEIS Frontend

A248559 Least k such that log(2) - sum{1/(h*2^h), h = 1..k} < 1/3^n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	10
9	11
10	13
11	14
12	15
13	17
14	18
15	20
16	21
17	23
18	24
19	26
20	27
21	29
22	30
23	32
24	33
25	35
26	36
27	38
28	40
29	41
30	43
31	44
32	46
33	47
34	49
35	50
36	52
37	53
38	55
39	56
40	58
41	60
42	61
43	63
44	64
45	66
46	67
47	69
48	70
49	72
50	74
51	75
52	77
53	78
54	80
55	81
56	83
57	84
58	86
59	88
60	89
61	91
62	92
63	94
64	95
65	97
66	98

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	10
9	11
10	13
11	14
12	15
13	17
14	18
15	20
16	21
17	23
18	24
19	26
20	27
21	29
22	30
23	32
24	33
25	35
26	36
27	38
28	40
29	41
30	43
31	44
32	46
33	47
34	49
35	50
36	52
37	53
38	55
39	56
40	58
41	60
42	61
43	63
44	64
45	66
46	67
47	69
48	70
49	72
50	74
51	75
52	77
53	78
54	80
55	81
56	83
57	84
58	86
59	88
60	89
61	91
62	92
63	94
64	95
65	97
66	98

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	10
9	11
10	13
11	14
12	15
13	17
14	18
15	20
16	21
17	23
18	24
19	26
20	27
21	29
22	30
23	32
24	33
25	35
26	36
27	38
28	40
29	41
30	43
31	44
32	46
33	47
34	49
35	50
36	52
37	53
38	55
39	56
40	58
41	60
42	61
43	63
44	64
45	66
46	67
47	69
48	70
49	72
50	74
51	75
52	77
53	78
54	80
55	81
56	83
57	84
58	86
59	88
60	89
61	91
62	92
63	94
64	95
65	97
66	98