A138366 - cp's OEIS frontend

A138366 Count of post-period decimal digits up to which the rounded n-th convergent to exp(1) agrees with the exact value.

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

[0, 1, 0, 1, 2, 3, 4, 5, 5, 6, 7, 7, 8, 9, 10, 12, 12, 13, 14, 16, 15, 16, 19, 18, 20, 22, 22, 24, 25, 25, 26, 27, 28, 30, 32, 32, 32, 35, 36, 36, 39, 39, 41, 43, 43, 44, 46, 46, 48, 50, 50, 52, 52, 54, 56, 57, 58, 59, 61, 61, 63, 65, 64, 67, 69, 69, 71, 72, 73, 74, 77, 77, 79, 80, 81, 83]

cp's OEIS Frontend

A138366 Count of post-period decimal digits up to which the rounded n-th convergent to exp(1) agrees with the exact value.

Table of values

List of values

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

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

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