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.

A231404 Integers n dividing the Lucas sequence u(n), where u(i) = 2*u(i-1) - 4*u(i-2) with initial conditions u(0)=0, u(1)=1.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 9
8 12
9 15
10 16
11 18
12 21
13 24
14 27
15 30
16 32
17 33
18 36
19 39
20 42
21 45
22 48
23 51
24 54
25 57
26 60
27 63
28 64
29 66
30 69
31 72
32 75
33 78
34 81
35 84
36 87
37 90
38 93
39 96
40 99
41 102
42 105
43 108
44 111
45 114
46 117
47 120
48 123
49 126
50 128
51 129
52 132
53 135
54 138
55 141
56 144
57 147
58 150
59 153
60 156
61 159
62 162
63 165

List of values

[1, 2, 3, 4, 6, 8, 9, 12, 15, 16, 18, 21, 24, 27, 30, 32, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 64, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 128, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165]