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 | 4 |
| 4 | 7 |
| 5 | 16 |
| 6 | 18 |
| 7 | 43 |
| 8 | 60 |
| 9 | 73 |
| 10 | 91 |
| 11 | 106 |
| 12 | 115 |
| 13 | 120 |
| 14 | 169 |
| 15 | 394 |
| 16 | 444 |
| 17 | 516 |
| 18 | 835 |
| 19 | 886 |
| 20 | 1912 |
| 21 | 3120 |
| 22 | 3602 |
| 23 | 5664 |
| 24 | 10188 |
| 25 | 14434 |
| 26 | 16564 |
| 27 | 23732 |
| 28 | 29058 |
| 29 | 47728 |
| 30 | 63916 |