A138374 - cp's OEIS frontend

A138374 Count of post-period decimal digits up to which the rounded n-th convergent to 2^(1/3) agrees with the exact value.

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	8
11	6
12	10
13	10
14	12
15	13
16	15
17	16
18	17
19	16
20	18
21	19
22	20
23	21
24	21
25	22
26	23
27	25
28	27
29	28
30	29
31	30
32	31
33	32
34	35
35	38
36	39
37	40
38	39
39	41
40	42
41	45
42	46
43	46
44	47
45	49
46	51
47	52
48	52
49	54
50	56
51	56
52	57
53	58
54	58
55	60
56	61
57	62
58	63
59	65
60	64
61	66
62	68
63	69
64	69
65	70
66	70
67	72
68	74
69	74
70	75
71	77
72	79
73	81

[1, 1, 2, 2, 3, 4, 4, 6, 6, 8, 6, 10, 10, 12, 13, 15, 16, 17, 16, 18, 19, 20, 21, 21, 22, 23, 25, 27, 28, 29, 30, 31, 32, 35, 38, 39, 40, 39, 41, 42, 45, 46, 46, 47, 49, 51, 52, 52, 54, 56, 56, 57, 58, 58, 60, 61, 62, 63, 65, 64, 66, 68, 69, 69, 70, 70, 72, 74, 74, 75, 77, 79, 81]

cp's OEIS Frontend

A138374 Count of post-period decimal digits up to which the rounded n-th convergent to 2^(1/3) agrees with the exact value.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	8
11	6
12	10
13	10
14	12
15	13
16	15
17	16
18	17
19	16
20	18
21	19
22	20
23	21
24	21
25	22
26	23
27	25
28	27
29	28
30	29
31	30
32	31
33	32
34	35
35	38
36	39
37	40
38	39
39	41
40	42
41	45
42	46
43	46
44	47
45	49
46	51
47	52
48	52
49	54
50	56
51	56
52	57
53	58
54	58
55	60
56	61
57	62
58	63
59	65
60	64
61	66
62	68
63	69
64	69
65	70
66	70
67	72
68	74
69	74
70	75
71	77
72	79
73	81

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	8
11	6
12	10
13	10
14	12
15	13
16	15
17	16
18	17
19	16
20	18
21	19
22	20
23	21
24	21
25	22
26	23
27	25
28	27
29	28
30	29
31	30
32	31
33	32
34	35
35	38
36	39
37	40
38	39
39	41
40	42
41	45
42	46
43	46
44	47
45	49
46	51
47	52
48	52
49	54
50	56
51	56
52	57
53	58
54	58
55	60
56	61
57	62
58	63
59	65
60	64
61	66
62	68
63	69
64	69
65	70
66	70
67	72
68	74
69	74
70	75
71	77
72	79
73	81

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	6
9	6
10	8
11	6
12	10
13	10
14	12
15	13
16	15
17	16
18	17
19	16
20	18
21	19
22	20
23	21
24	21
25	22
26	23
27	25
28	27
29	28
30	29
31	30
32	31
33	32
34	35
35	38
36	39
37	40
38	39
39	41
40	42
41	45
42	46
43	46
44	47
45	49
46	51
47	52
48	52
49	54
50	56
51	56
52	57
53	58
54	58
55	60
56	61
57	62
58	63
59	65
60	64
61	66
62	68
63	69
64	69
65	70
66	70
67	72
68	74
69	74
70	75
71	77
72	79
73	81