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 | 32 |
| 2 | 513 |
| 3 | 4407 |
| 4 | 21393 |
| 5 | 86620 |
| 6 | 242057 |
| 7 | 673623 |
| 8 | 1467642 |
| 9 | 3107487 |
| 10 | 5836467 |
| 11 | 11108595 |
| 12 | 18102935 |
| 13 | 31327359 |
| 14 | 48505904 |
| 15 | 74802671 |
| 16 | 110297111 |
| 17 | 166721570 |
| 18 | 230270840 |