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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 11 |
| 8 | 20 |
| 9 | 24 |
| 10 | 52 |
| 11 | 53 |
| 12 | 116 |
| 13 | 172 |
| 14 | 371 |
| 15 | 2662 |
| 16 | 3226 |
| 17 | 4800 |
| 18 | 9546 |
| 19 | 9804 |
| 20 | 14171 |
| 21 | 69148 |
| 22 | 71863 |
| 23 | 325494 |
| 24 | 333873 |
| 25 | 698509 |
| 26 | 2262261 |
| 27 | 15387377 |
| 28 | 40004428 |
| 29 | 40813283 |
| 30 | 64314104 |
| 31 | 550623089 |
| 32 | 847235953 |
| 33 | 897871194 |
| 34 | 1259250335 |