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.

A231388 Numbers n dividing the Lucas sequence u(n), defined by u(i) = 2*u(i-1) - 3*u(i-2) with initial conditions u(0)=0, u(1)=1.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 16
6 32
7 56
8 64
9 112
10 128
11 224
12 256
13 272
14 392
15 448
16 512
17 544
18 728
19 784
20 896
21 992
22 1024
23 1088
24 1456
25 1568
26 1792
27 1904
28 1984
29 2048
30 2176
31 2408
32 2744
33 2912
34 3136
35 3584
36 3808
37 3968
38 4096
39 4352
40 4624
41 4816
42 5096
43 5488
44 5824
45 6176
46 6272
47 6944
48 7168
49 7616

List of values

[1, 2, 4, 8, 16, 32, 56, 64, 112, 128, 224, 256, 272, 392, 448, 512, 544, 728, 784, 896, 992, 1024, 1088, 1456, 1568, 1792, 1904, 1984, 2048, 2176, 2408, 2744, 2912, 3136, 3584, 3808, 3968, 4096, 4352, 4624, 4816, 5096, 5488, 5824, 6176, 6272, 6944, 7168, 7616]