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 | 750 |
| 2 | 5022 |
| 3 | 8037 |
| 4 | 18250 |
| 5 | 60249 |
| 6 | 105669 |
| 7 | 1760490 |
| 8 | 1965270 |
| 9 | 4626489 |
| 10 | 62546070 |
| 11 | 202631245 |
| 12 | 441416073 |
| 13 | 286952692809 |