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 | 26 |
| 2 | 1236 |
| 3 | 13726 |
| 4 | 84048 |
| 5 | 325932 |
| 6 | 1118854 |
| 7 | 2843394 |
| 8 | 6976192 |
| 9 | 14900828 |
| 10 | 30426976 |
| 11 | 54176690 |
| 12 | 102373984 |
| 13 | 165774050 |
| 14 | 274508960 |
| 15 | 439528372 |
| 16 | 685793860 |
| 17 | 988022550 |
| 18 | 1499573556 |
| 19 | 2077344368 |
| 20 | 3019161806 |
| 21 | 4198346324 |
| 22 | 5736736398 |
| 23 | 7500683014 |