A054424 - cp's OEIS frontend

A054424 Permutation of natural numbers: maps the canonical list of fractions (A020652/A020653) to whole Stern-Brocot (Farey) tree (top = 1/1 and both sides < 1 and > 1, but excluding the "fractions" 0/1 and 1/0).

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	5
8	6
9	15
10	16
11	31
12	32
13	9
14	11
15	12
16	14
17	63
18	64
19	10
20	13
21	127
22	128
23	17
24	23
25	24
26	30
27	255
28	256
29	19
30	28
31	511
32	512
33	33
34	18
35	20
36	47
37	48
38	27
39	29
40	62
41	1023
42	1024
43	22
44	25
45	2047
46	2048
47	65
48	35
49	39
50	21
51	95
52	96
53	26
54	56
55	60
56	126
57	4095
58	4096
59	34
60	40
61	55
62	61
63	8191
64	8192

[1, 2, 3, 4, 7, 8, 5, 6, 15, 16, 31, 32, 9, 11, 12, 14, 63, 64, 10, 13, 127, 128, 17, 23, 24, 30, 255, 256, 19, 28, 511, 512, 33, 18, 20, 47, 48, 27, 29, 62, 1023, 1024, 22, 25, 2047, 2048, 65, 35, 39, 21, 95, 96, 26, 56, 60, 126, 4095, 4096, 34, 40, 55, 61, 8191, 8192]

cp's OEIS Frontend

A054424 Permutation of natural numbers: maps the canonical list of fractions (A020652/A020653) to whole Stern-Brocot (Farey) tree (top = 1/1 and both sides < 1 and > 1, but excluding the "fractions" 0/1 and 1/0).

Table of values

List of values