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) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 121 |
5 | 721 |
6 | 2521 |
7 | 6721 |
8 | 128521 |
9 | 1277641 |
10 | 7539841 |
11 | 32527441 |
12 | 281835841 |
13 | 3031468441 |
14 | 23779315561 |
15 | 139431015361 |
16 | 962322302761 |
17 | 9034098300361 |
18 | 79726215362761 |
19 | 569831799431881 |
20 | 3952559737085401 |
21 | 32660742079719601 |
22 | 289694072383115401 |