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 | 3 |
| 3 | 413 |
| 4 | 1329 |
| 5 | 6587 |
| 6 | 11629 |
| 7 | 75761 |
| 8 | 925071199 |
| 9 | 9031140861789 |
| 10 | 114876097917387 |
| 11 | 1314252479257933 |