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 | 8 |
| 3 | 11 |
| 4 | 34 |
| 5 | 310 |
| 6 | 1688 |
| 7 | 2307 |
| 8 | 2708 |
| 9 | 13988 |
| 10 | 21315 |
| 11 | 46739 |
| 12 | 426378 |
| 13 | 771476 |
| 14 | 11762557 |
| 15 | 18628390 |
| 16 | 19841526 |
| 17 | 24396168 |
| 18 | 85110245 |