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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 11 |
| 6 | 12 |
| 7 | 18 |
| 8 | 37 |
| 9 | 39 |
| 10 | 77 |
| 11 | 82 |
| 12 | 100 |
| 13 | 125 |
| 14 | 128 |
| 15 | 220 |
| 16 | 305 |
| 17 | 601 |
| 18 | 676 |
| 19 | 1692 |
| 20 | 1901 |
| 21 | 2202 |
| 22 | 2253 |
| 23 | 2394 |
| 24 | 3318 |
| 25 | 3970 |
| 26 | 5826 |
| 27 | 7001 |
| 28 | 9853 |
| 29 | 12607 |
| 30 | 13434 |
| 31 | 16207 |