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 | 3 |
3 | 13 |
4 | 49 |
5 | 381 |
6 | 2971 |
7 | 26713 |
8 | 291873 |
9 | 3262969 |
10 | 41245651 |
11 | 569262981 |
12 | 8433896593 |
13 | 136060620853 |
14 | 2342471665899 |
15 | 42987065380561 |
16 | 838321137046081 |
17 | 17272648375895793 |
18 | 375413770580941603 |
19 | 8579701021461918589 |
20 | 205637099039964274161 |
21 | 5158188565847339152621 |