A109170 - cp's OEIS frontend

A109170 Continued fraction expansion of 2*x which equals the continued fraction of x (A109168) interleaved with positive even numbers.

n	a(n)
1	2
2	1
3	4
4	2
5	6
6	2
7	8
8	4
9	10
10	3
11	12
12	4
13	14
14	4
15	16
16	8
17	18
18	5
19	20
20	6
21	22
22	6
23	24
24	8
25	26
26	7
27	28
28	8
29	30
30	8
31	32
32	16
33	34
34	9
35	36
36	10
37	38
38	10
39	40
40	12
41	42
42	11
43	44
44	12
45	46
46	12
47	48
48	16
49	50
50	13
51	52
52	14
53	54
54	14
55	56
56	16
57	58
58	15
59	60
60	16
61	62
62	16
63	64
64	32
65	66
66	17
67	68
68	18
69	70
70	18
71	72
72	20
73	74
74	19
75	76
76	20
77	78

[2, 1, 4, 2, 6, 2, 8, 4, 10, 3, 12, 4, 14, 4, 16, 8, 18, 5, 20, 6, 22, 6, 24, 8, 26, 7, 28, 8, 30, 8, 32, 16, 34, 9, 36, 10, 38, 10, 40, 12, 42, 11, 44, 12, 46, 12, 48, 16, 50, 13, 52, 14, 54, 14, 56, 16, 58, 15, 60, 16, 62, 16, 64, 32, 66, 17, 68, 18, 70, 18, 72, 20, 74, 19, 76, 20, 78]

cp's OEIS Frontend

A109170 Continued fraction expansion of 2*x which equals the continued fraction of x (A109168) interleaved with positive even numbers.

Table of values

List of values

n	a(n)
1	2
2	1
3	4
4	2
5	6
6	2
7	8
8	4
9	10
10	3
11	12
12	4
13	14
14	4
15	16
16	8
17	18
18	5
19	20
20	6
21	22
22	6
23	24
24	8
25	26
26	7
27	28
28	8
29	30
30	8
31	32
32	16
33	34
34	9
35	36
36	10
37	38
38	10
39	40
40	12
41	42
42	11
43	44
44	12
45	46
46	12
47	48
48	16
49	50
50	13
51	52
52	14
53	54
54	14
55	56
56	16
57	58
58	15
59	60
60	16
61	62
62	16
63	64
64	32
65	66
66	17
67	68
68	18
69	70
70	18
71	72
72	20
73	74
74	19
75	76
76	20
77	78

n	a(n)
1	2
2	1
3	4
4	2
5	6
6	2
7	8
8	4
9	10
10	3
11	12
12	4
13	14
14	4
15	16
16	8
17	18
18	5
19	20
20	6
21	22
22	6
23	24
24	8
25	26
26	7
27	28
28	8
29	30
30	8
31	32
32	16
33	34
34	9
35	36
36	10
37	38
38	10
39	40
40	12
41	42
42	11
43	44
44	12
45	46
46	12
47	48
48	16
49	50
50	13
51	52
52	14
53	54
54	14
55	56
56	16
57	58
58	15
59	60
60	16
61	62
62	16
63	64
64	32
65	66
66	17
67	68
68	18
69	70
70	18
71	72
72	20
73	74
74	19
75	76
76	20
77	78

n	a(n)
1	2
2	1
3	4
4	2
5	6
6	2
7	8
8	4
9	10
10	3
11	12
12	4
13	14
14	4
15	16
16	8
17	18
18	5
19	20
20	6
21	22
22	6
23	24
24	8
25	26
26	7
27	28
28	8
29	30
30	8
31	32
32	16
33	34
34	9
35	36
36	10
37	38
38	10
39	40
40	12
41	42
42	11
43	44
44	12
45	46
46	12
47	48
48	16
49	50
50	13
51	52
52	14
53	54
54	14
55	56
56	16
57	58
58	15
59	60
60	16
61	62
62	16
63	64
64	32
65	66
66	17
67	68
68	18
69	70
70	18
71	72
72	20
73	74
74	19
75	76
76	20
77	78