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 | 32 |
| 2 | 94 |
| 3 | 218 |
| 4 | 586 |
| 5 | 1562 |
| 6 | 4288 |
| 7 | 11876 |
| 8 | 33250 |
| 9 | 93746 |
| 10 | 265924 |
| 11 | 757976 |
| 12 | 2169316 |
| 13 | 6229892 |
| 14 | 17944006 |
| 15 | 51816578 |
| 16 | 149965330 |
| 17 | 434882642 |
| 18 | 1263332452 |
| 19 | 3675765416 |
| 20 | 10710126976 |
| 21 | 31246397456 |
| 22 | 91266942586 |
| 23 | 266864938646 |
| 24 | 781080332332 |