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 | 10 |
| 5 | 11 |
| 6 | 12 |
| 7 | 13 |
| 8 | 58 |
| 9 | 63 |
| 10 | 89 |
| 11 | 132 |
| 12 | 157 |
| 13 | 426 |
| 14 | 457 |
| 15 | 506 |
| 16 | 613 |
| 17 | 1839 |
| 18 | 1936 |
| 19 | 2042 |
| 20 | 2355 |
| 21 | 3178 |
| 22 | 3782 |
| 23 | 8556 |
| 24 | 8688 |
| 25 | 22152 |
| 26 | 23232 |
| 27 | 44074 |
| 28 | 71770 |
| 29 | 222666 |