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 | 11 |
| 3 | 24 |
| 4 | 30 |
| 5 | 31 |
| 6 | 32 |
| 7 | 37 |
| 8 | 38 |
| 9 | 43 |
| 10 | 52 |
| 11 | 53 |
| 12 | 54 |
| 13 | 55 |
| 14 | 59 |
| 15 | 60 |
| 16 | 61 |
| 17 | 65 |
| 18 | 73 |
| 19 | 75 |
| 20 | 80 |
| 21 | 91 |