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) |
|---|---|
| 1 | 21 |
| 2 | 231 |
| 3 | 284 |
| 4 | 1210 |
| 5 | 2499 |
| 6 | 2924 |
| 7 | 5564 |
| 8 | 6368 |
| 9 | 10856 |
| 10 | 14595 |
| 11 | 18416 |
| 12 | 66992 |
| 13 | 71145 |
| 14 | 76084 |
| 15 | 87633 |
| 16 | 88730 |