A138367 - cp's OEIS frontend

A138367 Count of post-period decimal digits up to which the rounded n-th convergent to sqrt(5) agrees with the exact value.

n	a(n)
1	0
2	2
3	4
4	5
5	6
6	7
7	8
8	10
9	8
10	12
11	14
12	14
13	16
14	18
15	19
16	20
17	21
18	23
19	24
20	24
21	26
22	28
23	29
24	30
25	31
26	33
27	33
28	34
29	35
30	37
31	39
32	40
33	41
34	42
35	44
36	44
37	46
38	47
39	48
40	49
41	51
42	53
43	53
44	55
45	56
46	57
47	59
48	60
49	60
50	61
51	64
52	65
53	66
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	76
62	77
63	79
64	80
65	81
66	83
67	83
68	85
69	85
70	88
71	89
72	90
73	91
74	92

[0, 2, 4, 5, 6, 7, 8, 10, 8, 12, 14, 14, 16, 18, 19, 20, 21, 23, 24, 24, 26, 28, 29, 30, 31, 33, 33, 34, 35, 37, 39, 40, 41, 42, 44, 44, 46, 47, 48, 49, 51, 53, 53, 55, 56, 57, 59, 60, 60, 61, 64, 65, 66, 68, 69, 70, 72, 73, 74, 75, 76, 77, 79, 80, 81, 83, 83, 85, 85, 88, 89, 90, 91, 92]

cp's OEIS Frontend

A138367 Count of post-period decimal digits up to which the rounded n-th convergent to sqrt(5) agrees with the exact value.

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	5
5	6
6	7
7	8
8	10
9	8
10	12
11	14
12	14
13	16
14	18
15	19
16	20
17	21
18	23
19	24
20	24
21	26
22	28
23	29
24	30
25	31
26	33
27	33
28	34
29	35
30	37
31	39
32	40
33	41
34	42
35	44
36	44
37	46
38	47
39	48
40	49
41	51
42	53
43	53
44	55
45	56
46	57
47	59
48	60
49	60
50	61
51	64
52	65
53	66
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	76
62	77
63	79
64	80
65	81
66	83
67	83
68	85
69	85
70	88
71	89
72	90
73	91
74	92

n	a(n)
1	0
2	2
3	4
4	5
5	6
6	7
7	8
8	10
9	8
10	12
11	14
12	14
13	16
14	18
15	19
16	20
17	21
18	23
19	24
20	24
21	26
22	28
23	29
24	30
25	31
26	33
27	33
28	34
29	35
30	37
31	39
32	40
33	41
34	42
35	44
36	44
37	46
38	47
39	48
40	49
41	51
42	53
43	53
44	55
45	56
46	57
47	59
48	60
49	60
50	61
51	64
52	65
53	66
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	76
62	77
63	79
64	80
65	81
66	83
67	83
68	85
69	85
70	88
71	89
72	90
73	91
74	92

n	a(n)
1	0
2	2
3	4
4	5
5	6
6	7
7	8
8	10
9	8
10	12
11	14
12	14
13	16
14	18
15	19
16	20
17	21
18	23
19	24
20	24
21	26
22	28
23	29
24	30
25	31
26	33
27	33
28	34
29	35
30	37
31	39
32	40
33	41
34	42
35	44
36	44
37	46
38	47
39	48
40	49
41	51
42	53
43	53
44	55
45	56
46	57
47	59
48	60
49	60
50	61
51	64
52	65
53	66
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	76
62	77
63	79
64	80
65	81
66	83
67	83
68	85
69	85
70	88
71	89
72	90
73	91
74	92