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) |
|---|---|
| 3 | 29 |
| 4 | 1247 |
| 5 | 261 |
| 6 | 89972 |
| 7 | 5511 |
| 8 | 608992 |
| 9 | 58631 |
| 10 | 418808411 |
| 11 | 312221 |
| 12 | 278668008656 |
| 13 | 6651971 |
| 14 | 1886445877264 |
| 15 | 70864611 |