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 | 11 |
4 | 65 |
5 | 369 |
6 | 3139 |
7 | 24667 |
8 | 268449 |
9 | 2777345 |
10 | 34932131 |
11 | 432114891 |
12 | 6790407073 |
13 | 97969389361 |
14 | 1671204338595 |
15 | 28382893729499 |
16 | 557174580764609 |
17 | 10512263160373377 |
18 | 228918738980395459 |
19 | 4817409763554888715 |
20 | 115117419384636141441 |
21 | 2688602544800222293361 |