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 | 0 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 28 |
6 | 140 |
7 | 936 |
8 | 6902 |
9 | 54160 |
10 | 467784 |
11 | 4578000 |
12 | 50434032 |
13 | 609309504 |
14 | 7921524624 |
15 | 110242136928 |
16 | 1643101763760 |
17 | 26192405980416 |
18 | 444523225673472 |
19 | 7989603260143104 |
20 | 151483589818925184 |
21 | 3022296286833907200 |
22 | 63326051483436129024 |
23 | 1390571693776506751488 |