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 | 7 |
| 2 | 14 |
| 3 | 23 |
| 4 | 33 |
| 5 | 47 |
| 6 | 62 |
| 7 | 69 |
| 8 | 133 |
| 9 | 141 |
| 10 | 167 |
| 11 | 213 |
| 12 | 398 |
| 13 | 413 |
| 14 | 573 |
| 15 | 717 |
| 16 | 1077 |
| 17 | 1293 |
| 18 | 1397 |
| 19 | 1757 |
| 20 | 3053 |