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 | 1 |
| 2 | 9 |
| 3 | 285 |
| 4 | 933 |
| 5 | 741 |
| 6 | 11173 |
| 7 | 15109 |
| 8 | 33705 |
| 9 | 100737 |
| 10 | 24025 |
| 11 | 34197 |
| 12 | 86829 |
| 13 | 5370693 |
| 14 | 6457761 |
| 15 | 2287341 |
| 16 | 26529033 |
| 17 | 53099457 |
| 18 | 770289 |
| 19 | 754577025 |
| 20 | 256655365 |
| 21 | 765951429 |
| 22 | 2618761237 |
| 23 | 1075872265 |
| 24 | 2405972445 |
| 25 | 2767592133 |