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 | 5 |
| 5 | 7 |
| 6 | 26 |
| 7 | 27 |
| 8 | 53 |
| 9 | 147 |
| 10 | 236 |
| 11 | 248 |
| 12 | 386 |
| 13 | 401 |
| 14 | 546 |
| 15 | 785 |
| 16 | 1325 |
| 17 | 1755 |
| 18 | 2906 |
| 19 | 3020 |
| 20 | 5407 |
| 21 | 5697 |
| 22 | 5969 |
| 23 | 7517 |
| 24 | 15749 |
| 25 | 19233 |
| 26 | 38232 |
| 27 | 55347 |
| 28 | 1059002 |