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 | 6 |
| 6 | 9 |
| 7 | 10 |
| 8 | 15 |
| 9 | 18 |
| 10 | 19 |
| 11 | 27 |
| 12 | 30 |
| 13 | 38 |
| 14 | 45 |
| 15 | 54 |
| 16 | 57 |
| 17 | 90 |
| 18 | 95 |
| 19 | 114 |
| 20 | 135 |
| 21 | 171 |
| 22 | 190 |
| 23 | 270 |
| 24 | 285 |
| 25 | 342 |
| 26 | 513 |
| 27 | 570 |
| 28 | 855 |
| 29 | 1026 |
| 30 | 1710 |
| 31 | 2565 |
| 32 | 5130 |