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 | 1 |
2 | 2 |
3 | 0 |
4 | 3 |
5 | 0 |
6 | 0 |
7 | 2 |
8 | 4 |
9 | 0 |
10 | 0 |
11 | 8 |
12 | 6 |
13 | 0 |
14 | 0 |
15 | 5 |
16 | 0 |
17 | 0 |
18 | 20 |
19 | 30 |
20 | 24 |
21 | 60 |
22 | 120 |
23 | 0 |
24 | 0 |
25 | 264 |
26 | 6 |
27 | 0 |
28 | 0 |
29 | 40 |
30 | 90 |
31 | 144 |
32 | 480 |
33 | 1440 |
34 | 2340 |
35 | 3840 |
36 | 9504 |
37 | 15840 |
38 | 11160 |
39 | 0 |
40 | 0 |
41 | 0 |
42 | 7 |
43 | 0 |
44 | 0 |
45 | 70 |
46 | 210 |
47 | 504 |
48 | 2100 |
49 | 8280 |
50 | 23940 |
51 | 68880 |
52 | 217224 |
53 | 594720 |
54 | 1339800 |
55 | 2983680 |
56 | 6482880 |
57 | 10190880 |
58 | 12136320 |
59 | 24192000 |
60 | 39621120 |
61 | 0 |
62 | 0 |
63 | 129976320 |