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.

A266417 a(1) = 1; for n > 1, if A192490(2n+1) = 1 [when 2n+1 is Ludic number] a(n) = 1 + 2*a(A266350(n)-1), otherwise a(n) = 2*a(n-A266350(n)).

Table of values

n a(n)
1 1
2 3
3 7
4 2
5 15
6 5
7 6
8 31
9 14
10 4
11 11
12 13
13 30
14 63
15 10
16 12
17 62
18 29
19 28
20 9
21 23
22 8
23 27
24 22
25 26
26 61
27 60
28 126
29 20
30 127
31 24
32 124
33 21
34 58
35 25
36 56
37 18
38 125
39 46
40 16
41 59
42 54
43 44
44 57
45 19
46 52
47 122
48 47
49 120
50 252
51 40
52 254
53 17
54 48
55 248
56 42
57 55
58 116
59 45
60 53
61 50
62 112
63 123
64 36
65 121
66 250
67 92
68 32
69 118
70 108
71 253
72 88
73 114
74 41
75 38

List of values

[1, 3, 7, 2, 15, 5, 6, 31, 14, 4, 11, 13, 30, 63, 10, 12, 62, 29, 28, 9, 23, 8, 27, 22, 26, 61, 60, 126, 20, 127, 24, 124, 21, 58, 25, 56, 18, 125, 46, 16, 59, 54, 44, 57, 19, 52, 122, 47, 120, 252, 40, 254, 17, 48, 248, 42, 55, 116, 45, 53, 50, 112, 123, 36, 121, 250, 92, 32, 118, 108, 253, 88, 114, 41, 38]