A248178 - cp's OEIS frontend

A248178 Least k such that r - sum{1/F(n), h = 1..k} < 1/2^(n+1), where F(n) = A000045 (Fibonacci numbers) and r = sum{1/F(n), h = 1..infinity}.

n	a(n)
1	6
2	7
3	9
4	10
5	12
6	13
7	15
8	16
9	18
10	19
11	20
12	22
13	23
14	25
15	26
16	28
17	29
18	31
19	32
20	33
21	35
22	36
23	38
24	39
25	41
26	42
27	44
28	45
29	46
30	48
31	49
32	51
33	52
34	54
35	55
36	56
37	58
38	59
39	61
40	62
41	64
42	65
43	67
44	68
45	69
46	71
47	72
48	74
49	75
50	77
51	78
52	80
53	81
54	82
55	84
56	85
57	87
58	88
59	90
60	91
61	92
62	94
63	95
64	97
65	98

[6, 7, 9, 10, 12, 13, 15, 16, 18, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 33, 35, 36, 38, 39, 41, 42, 44, 45, 46, 48, 49, 51, 52, 54, 55, 56, 58, 59, 61, 62, 64, 65, 67, 68, 69, 71, 72, 74, 75, 77, 78, 80, 81, 82, 84, 85, 87, 88, 90, 91, 92, 94, 95, 97, 98]

cp's OEIS Frontend

A248178 Least k such that r - sum{1/F(n), h = 1..k} < 1/2^(n+1), where F(n) = A000045 (Fibonacci numbers) and r = sum{1/F(n), h = 1..infinity}.

Table of values

List of values

n	a(n)
1	6
2	7
3	9
4	10
5	12
6	13
7	15
8	16
9	18
10	19
11	20
12	22
13	23
14	25
15	26
16	28
17	29
18	31
19	32
20	33
21	35
22	36
23	38
24	39
25	41
26	42
27	44
28	45
29	46
30	48
31	49
32	51
33	52
34	54
35	55
36	56
37	58
38	59
39	61
40	62
41	64
42	65
43	67
44	68
45	69
46	71
47	72
48	74
49	75
50	77
51	78
52	80
53	81
54	82
55	84
56	85
57	87
58	88
59	90
60	91
61	92
62	94
63	95
64	97
65	98

n	a(n)
1	6
2	7
3	9
4	10
5	12
6	13
7	15
8	16
9	18
10	19
11	20
12	22
13	23
14	25
15	26
16	28
17	29
18	31
19	32
20	33
21	35
22	36
23	38
24	39
25	41
26	42
27	44
28	45
29	46
30	48
31	49
32	51
33	52
34	54
35	55
36	56
37	58
38	59
39	61
40	62
41	64
42	65
43	67
44	68
45	69
46	71
47	72
48	74
49	75
50	77
51	78
52	80
53	81
54	82
55	84
56	85
57	87
58	88
59	90
60	91
61	92
62	94
63	95
64	97
65	98

n	a(n)
1	6
2	7
3	9
4	10
5	12
6	13
7	15
8	16
9	18
10	19
11	20
12	22
13	23
14	25
15	26
16	28
17	29
18	31
19	32
20	33
21	35
22	36
23	38
24	39
25	41
26	42
27	44
28	45
29	46
30	48
31	49
32	51
33	52
34	54
35	55
36	56
37	58
38	59
39	61
40	62
41	64
42	65
43	67
44	68
45	69
46	71
47	72
48	74
49	75
50	77
51	78
52	80
53	81
54	82
55	84
56	85
57	87
58	88
59	90
60	91
61	92
62	94
63	95
64	97
65	98