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) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | 234 |
| 3 | 2354 |
| 4 | 23924 |
| 5 | 244486 |
| 6 | 2505990 |
| 7 | 25729152 |
| 8 | 264403424 |
| 9 | 2718476326 |
| 10 | 27957786710 |
| 11 | 287570952278 |
| 12 | 2958167790692 |
| 13 | 30431267734052 |
| 14 | 313060248631608 |
| 15 | 3220635873588592 |
| 16 | 33132828240473566 |
| 17 | 340860858043433410 |