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 | 452 |
| 2 | 2052 |
| 3 | 5584 |
| 4 | 12476 |
| 5 | 23568 |
| 6 | 41668 |
| 7 | 67136 |
| 8 | 104112 |
| 9 | 153604 |
| 10 | 219728 |
| 11 | 303468 |
| 12 | 412720 |
| 13 | 545012 |
| 14 | 709272 |
| 15 | 907828 |
| 16 | 1146704 |
| 17 | 1426212 |
| 18 | 1759348 |
| 19 | 2142176 |
| 20 | 2590236 |
| 21 | 3101848 |
| 22 | 3686444 |
| 23 | 4346808 |
| 24 | 5102188 |
| 25 | 5942936 |