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.

A186129 Numbers that can be partitioned into four parts s, t, u, v such that s+k = t-k = u*k = v/k for some k > 1.

Table of values

n a(n)
1 18
2 27
3 32
4 36
5 45
6 48
7 50
8 54
9 63
10 64
11 72
12 75
13 80
14 81
15 90
16 96
17 98
18 99
19 100
20 108
21 112
22 117
23 125
24 126
25 128
26 135
27 144
28 147
29 150
30 153
31 160
32 162
33 171
34 175
35 176
36 180
37 189
38 192
39 196
40 198
41 200
42 207
43 208
44 216
45 224
46 225
47 234
48 240
49 242
50 243
51 245
52 250
53 252
54 256
55 261

List of values

[18, 27, 32, 36, 45, 48, 50, 54, 63, 64, 72, 75, 80, 81, 90, 96, 98, 99, 100, 108, 112, 117, 125, 126, 128, 135, 144, 147, 150, 153, 160, 162, 171, 175, 176, 180, 189, 192, 196, 198, 200, 207, 208, 216, 224, 225, 234, 240, 242, 243, 245, 250, 252, 256, 261]