A317557 - cp's OEIS frontend

A317557 Number of binary digits to which the n-th convergent of the continued fraction expansion of log(2) matches the correct value.

n	a(n)
1	0
2	-1
3	3
4	6
5	9
6	13
7	14
8	17
9	19
10	20
11	23
12	20
13	25
14	20
15	33
16	37
17	35
18	38
19	41
20	43
21	45
22	43
23	47
24	48
25	52
26	54
27	58
28	61
29	68
30	70
31	74
32	77
33	78
34	81
35	86
36	89
37	92
38	93
39	92
40	99
41	105
42	109
43	113
44	116
45	118
46	121
47	127
48	133
49	136
50	135
51	139
52	141
53	145
54	149
55	154
56	159
57	161
58	165
59	171
60	173
61	172
62	180

[0, -1, 3, 6, 9, 13, 14, 17, 19, 20, 23, 20, 25, 20, 33, 37, 35, 38, 41, 43, 45, 43, 47, 48, 52, 54, 58, 61, 68, 70, 74, 77, 78, 81, 86, 89, 92, 93, 92, 99, 105, 109, 113, 116, 118, 121, 127, 133, 136, 135, 139, 141, 145, 149, 154, 159, 161, 165, 171, 173, 172, 180]

cp's OEIS Frontend

A317557 Number of binary digits to which the n-th convergent of the continued fraction expansion of log(2) matches the correct value.

Table of values

List of values

n	a(n)
1	0
2	-1
3	3
4	6
5	9
6	13
7	14
8	17
9	19
10	20
11	23
12	20
13	25
14	20
15	33
16	37
17	35
18	38
19	41
20	43
21	45
22	43
23	47
24	48
25	52
26	54
27	58
28	61
29	68
30	70
31	74
32	77
33	78
34	81
35	86
36	89
37	92
38	93
39	92
40	99
41	105
42	109
43	113
44	116
45	118
46	121
47	127
48	133
49	136
50	135
51	139
52	141
53	145
54	149
55	154
56	159
57	161
58	165
59	171
60	173
61	172
62	180

n	a(n)
1	0
2	-1
3	3
4	6
5	9
6	13
7	14
8	17
9	19
10	20
11	23
12	20
13	25
14	20
15	33
16	37
17	35
18	38
19	41
20	43
21	45
22	43
23	47
24	48
25	52
26	54
27	58
28	61
29	68
30	70
31	74
32	77
33	78
34	81
35	86
36	89
37	92
38	93
39	92
40	99
41	105
42	109
43	113
44	116
45	118
46	121
47	127
48	133
49	136
50	135
51	139
52	141
53	145
54	149
55	154
56	159
57	161
58	165
59	171
60	173
61	172
62	180

n	a(n)
1	0
2	-1
3	3
4	6
5	9
6	13
7	14
8	17
9	19
10	20
11	23
12	20
13	25
14	20
15	33
16	37
17	35
18	38
19	41
20	43
21	45
22	43
23	47
24	48
25	52
26	54
27	58
28	61
29	68
30	70
31	74
32	77
33	78
34	81
35	86
36	89
37	92
38	93
39	92
40	99
41	105
42	109
43	113
44	116
45	118
46	121
47	127
48	133
49	136
50	135
51	139
52	141
53	145
54	149
55	154
56	159
57	161
58	165
59	171
60	173
61	172
62	180