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 | 2 |
| 2 | 11 |
| 3 | 2137 |
| 4 | 8929 |
| 5 | 1801 |
| 6 | 44111 |
| 7 | 6637 |
| 8 | 57241 |
| 9 | 16931 |
| 10 | 151477 |
| 11 | 54083 |
| 12 | 3889 |
| 13 | 127717 |
| 14 | 457511 |
| 15 | 571019 |
| 16 | 765983 |
| 17 | 38557 |
| 18 | 1662229 |
| 19 | 2437751 |
| 20 | 16139 |
| 21 | 2305883 |
| 22 | 2747449 |