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 | 24 |
| 2 | 138 |
| 3 | 1576 |
| 4 | 29387 |
| 5 | 679735 |
| 6 | 17761798 |
| 7 | 490407156 |
| 8 | 13531702872 |
| 9 | 364823204989 |
| 10 | 9669161777304 |