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 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 10 |
| 10 | 33 |
| 11 | 44 |
| 12 | 48 |
| 13 | 52 |
| 14 | 64 |
| 15 | 73 |
| 16 | 92 |
| 17 | 119 |
| 18 | 182 |
| 19 | 487 |
| 20 | 603 |
| 21 | 987 |
| 22 | 4884 |
| 23 | 6822 |
| 24 | 8070 |
| 25 | 11079 |
| 26 | 13659 |
| 27 | 17659 |