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) |
|---|---|
| 2 | 0 |
| 3 | 5 |
| 4 | 2 |
| 5 | 38 |
| 6 | 17 |
| 7 | 83 |
| 8 | 362 |
| 9 | 167 |
| 10 | 227 |
| 11 | 2273 |
| 12 | 398 |
| 13 | 5297 |
| 14 | 64382 |
| 15 | 69467 |
| 16 | 116387 |
| 17 | 238262 |
| 18 | 214037 |
| 19 | 430022 |
| 20 | 5472953 |
| 21 | 9481097 |
| 22 | 8062073 |
| 23 | 41941577 |
| 24 | 86374763 |
| 25 | 312521282 |