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 | 4 |
| 2 | 6 |
| 3 | 7 |
| 4 | 22 |
| 5 | 32 |
| 6 | 48 |
| 7 | 58 |
| 8 | 61 |
| 9 | 80 |
| 10 | 85 |
| 11 | 119 |
| 12 | 136 |
| 13 | 150 |
| 14 | 184 |
| 15 | 420 |
| 16 | 591 |
| 17 | 878 |
| 18 | 2447 |
| 19 | 30938 |