A057115 - cp's OEIS frontend

A057115 Order-preserving permutation of the rational numbers (x -> x-1); positions in Stern-Brocot tree.

n	a(n)
1	2
2	4
3	1
4	8
5	9
6	5
7	3
8	16
9	17
10	18
11	19
12	10
13	11
14	6
15	7
16	32
17	33
18	34
19	35
20	36
21	37
22	38
23	39
24	20
25	21
26	22
27	23
28	12
29	13
30	14
31	15
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	40
49	41
50	42
51	43
52	44
53	45
54	46
55	47
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	128
65	129
66	130
67	131
68	132
69	133
70	134
71	135
72	136
73	137
74	138
75	139
76	140
77	141
78	142
79	143
80	144
81	145
82	146
83	147
84	148
85	149
86	150

[2, 4, 1, 8, 9, 5, 3, 16, 17, 18, 19, 10, 11, 6, 7, 32, 33, 34, 35, 36, 37, 38, 39, 20, 21, 22, 23, 12, 13, 14, 15, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 40, 41, 42, 43, 44, 45, 46, 47, 24, 25, 26, 27, 28, 29, 30, 31, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150]

cp's OEIS Frontend

A057115 Order-preserving permutation of the rational numbers (x -> x-1); positions in Stern-Brocot tree.

Table of values

List of values

n	a(n)
1	2
2	4
3	1
4	8
5	9
6	5
7	3
8	16
9	17
10	18
11	19
12	10
13	11
14	6
15	7
16	32
17	33
18	34
19	35
20	36
21	37
22	38
23	39
24	20
25	21
26	22
27	23
28	12
29	13
30	14
31	15
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	40
49	41
50	42
51	43
52	44
53	45
54	46
55	47
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	128
65	129
66	130
67	131
68	132
69	133
70	134
71	135
72	136
73	137
74	138
75	139
76	140
77	141
78	142
79	143
80	144
81	145
82	146
83	147
84	148
85	149
86	150

n	a(n)
1	2
2	4
3	1
4	8
5	9
6	5
7	3
8	16
9	17
10	18
11	19
12	10
13	11
14	6
15	7
16	32
17	33
18	34
19	35
20	36
21	37
22	38
23	39
24	20
25	21
26	22
27	23
28	12
29	13
30	14
31	15
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	40
49	41
50	42
51	43
52	44
53	45
54	46
55	47
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	128
65	129
66	130
67	131
68	132
69	133
70	134
71	135
72	136
73	137
74	138
75	139
76	140
77	141
78	142
79	143
80	144
81	145
82	146
83	147
84	148
85	149
86	150

n	a(n)
1	2
2	4
3	1
4	8
5	9
6	5
7	3
8	16
9	17
10	18
11	19
12	10
13	11
14	6
15	7
16	32
17	33
18	34
19	35
20	36
21	37
22	38
23	39
24	20
25	21
26	22
27	23
28	12
29	13
30	14
31	15
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	40
49	41
50	42
51	43
52	44
53	45
54	46
55	47
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	128
65	129
66	130
67	131
68	132
69	133
70	134
71	135
72	136
73	137
74	138
75	139
76	140
77	141
78	142
79	143
80	144
81	145
82	146
83	147
84	148
85	149
86	150