cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A266351 Start with a(1) = 1, then always choose for a(n) the least unused number such that A057889(a(n)*a(n-1)) = A057889(a(n)) * A057889(a(n-1)), where A057889 is a bijective base-2 reverse.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 12
12 14
13 16
14 11
15 17
16 13
17 32
18 15
19 24
20 18
21 20
22 19
23 33
24 21
25 36
26 28
27 27
28 56
29 34
30 22
31 64
32 23
33 65
34 25
35 40
36 35
37 72
38 42
39 48
40 30
41 51
42 60
43 66
44 26
45 68
46 37
47 96
48 31
49 99
50 62
51 128
52 29
53 129
54 38
55 80
56 49
57 73
58 70
59 130
60 39
61 256
62 41
63 131
64 74
65 136
66 44
67 132
68 46
69 257
70 43
71 258
72 45
73 260
74 47
75 512
76 50
77 133
78 76
79 160
80 67
81 84
82 97
83 137
84 112
85 54

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 11, 17, 13, 32, 15, 24, 18, 20, 19, 33, 21, 36, 28, 27, 56, 34, 22, 64, 23, 65, 25, 40, 35, 72, 42, 48, 30, 51, 60, 66, 26, 68, 37, 96, 31, 99, 62, 128, 29, 129, 38, 80, 49, 73, 70, 130, 39, 256, 41, 131, 74, 136, 44, 132, 46, 257, 43, 258, 45, 260, 47, 512, 50, 133, 76, 160, 67, 84, 97, 137, 112, 54]