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.
n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 6 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 2 |
8 | 6 |
9 | 18 |
10 | 54 |
11 | 0 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 2 |
17 | 6 |
18 | 18 |
19 | 54 |
20 | 162 |
21 | 486 |
22 | 0 |
23 | 0 |
24 | 0 |
25 | 0 |
26 | 0 |
27 | 0 |
28 | 0 |
29 | 2 |
30 | 6 |
31 | 18 |
32 | 54 |
33 | 162 |
34 | 486 |
35 | 1458 |
36 | 4374 |
37 | 0 |
38 | 0 |
39 | 0 |
40 | 0 |
41 | 0 |
42 | 0 |
43 | 0 |
44 | 0 |
45 | 0 |
46 | 2 |
47 | 6 |
48 | 18 |
49 | 54 |
50 | 162 |
51 | 486 |
52 | 1458 |
53 | 4374 |
54 | 13122 |
55 | 39366 |
56 | 0 |
57 | 0 |
58 | 0 |
59 | 0 |
60 | 0 |
61 | 0 |
62 | 0 |
63 | 0 |
64 | 0 |
65 | 0 |
66 | 0 |