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 | 2 |
| 3 | 33 |
| 4 | 602 |
| 5 | 602 |
| 6 | 2522 |
| 7 | 211673 |
| 8 | 3405122 |
| 9 | 3405122 |
| 10 | 49799889 |
| 11 | 202536181 |
| 12 | 3195380868 |
| 13 | 5208143601 |
| 14 | 85843948321 |
| 15 | 97524222465 |