A138373 - cp's OEIS frontend

A138373 Count of post-period decimal digits up to which the rounded n-th convergent to sqrt(5)/2 agrees with the exact value.

n	a(n)
1	1
2	3
3	3
4	5
5	6
6	8
7	9
8	10
9	9
10	13
11	13
12	15
13	15
14	18
15	19
16	20
17	22
18	22
19	24
20	25
21	26
22	27
23	29
24	30
25	32
26	33
27	34
28	35
29	36
30	38
31	39
32	40
33	41
34	43
35	44
36	45
37	47
38	47
39	49
40	50
41	52
42	53
43	54
44	55
45	56
46	58
47	57
48	60
49	61
50	62
51	64
52	64
53	67
54	68
55	68
56	71
57	72
58	73
59	74
60	75
61	76
62	78
63	78
64	80
65	82
66	83
67	84
68	85
69	86
70	88
71	88
72	90

[1, 3, 3, 5, 6, 8, 9, 10, 9, 13, 13, 15, 15, 18, 19, 20, 22, 22, 24, 25, 26, 27, 29, 30, 32, 33, 34, 35, 36, 38, 39, 40, 41, 43, 44, 45, 47, 47, 49, 50, 52, 53, 54, 55, 56, 58, 57, 60, 61, 62, 64, 64, 67, 68, 68, 71, 72, 73, 74, 75, 76, 78, 78, 80, 82, 83, 84, 85, 86, 88, 88, 90]

cp's OEIS Frontend

A138373 Count of post-period decimal digits up to which the rounded n-th convergent to sqrt(5)/2 agrees with the exact value.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	5
5	6
6	8
7	9
8	10
9	9
10	13
11	13
12	15
13	15
14	18
15	19
16	20
17	22
18	22
19	24
20	25
21	26
22	27
23	29
24	30
25	32
26	33
27	34
28	35
29	36
30	38
31	39
32	40
33	41
34	43
35	44
36	45
37	47
38	47
39	49
40	50
41	52
42	53
43	54
44	55
45	56
46	58
47	57
48	60
49	61
50	62
51	64
52	64
53	67
54	68
55	68
56	71
57	72
58	73
59	74
60	75
61	76
62	78
63	78
64	80
65	82
66	83
67	84
68	85
69	86
70	88
71	88
72	90

n	a(n)
1	1
2	3
3	3
4	5
5	6
6	8
7	9
8	10
9	9
10	13
11	13
12	15
13	15
14	18
15	19
16	20
17	22
18	22
19	24
20	25
21	26
22	27
23	29
24	30
25	32
26	33
27	34
28	35
29	36
30	38
31	39
32	40
33	41
34	43
35	44
36	45
37	47
38	47
39	49
40	50
41	52
42	53
43	54
44	55
45	56
46	58
47	57
48	60
49	61
50	62
51	64
52	64
53	67
54	68
55	68
56	71
57	72
58	73
59	74
60	75
61	76
62	78
63	78
64	80
65	82
66	83
67	84
68	85
69	86
70	88
71	88
72	90

n	a(n)
1	1
2	3
3	3
4	5
5	6
6	8
7	9
8	10
9	9
10	13
11	13
12	15
13	15
14	18
15	19
16	20
17	22
18	22
19	24
20	25
21	26
22	27
23	29
24	30
25	32
26	33
27	34
28	35
29	36
30	38
31	39
32	40
33	41
34	43
35	44
36	45
37	47
38	47
39	49
40	50
41	52
42	53
43	54
44	55
45	56
46	58
47	57
48	60
49	61
50	62
51	64
52	64
53	67
54	68
55	68
56	71
57	72
58	73
59	74
60	75
61	76
62	78
63	78
64	80
65	82
66	83
67	84
68	85
69	86
70	88
71	88
72	90