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 | 10 |
| 1 | 76 |
| 2 | 538 |
| 3 | 3772 |
| 4 | 26410 |
| 5 | 184876 |
| 6 | 1294138 |
| 7 | 9058972 |
| 8 | 63412810 |
| 9 | 443889676 |
| 10 | 3107227738 |
| 11 | 21750594172 |
| 12 | 152254159210 |
| 13 | 1065779114476 |
| 14 | 7460453801338 |
| 15 | 52223176609372 |
| 16 | 365562236265610 |
| 17 | 2558935653859276 |
| 18 | 17912549577014938 |