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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 7 |
| 6 | 19 |
| 7 | 25 |
| 8 | 27 |
| 9 | 53 |
| 10 | 59 |
| 11 | 68 |
| 12 | 148 |
| 13 | 176 |
| 14 | 241 |
| 15 | 347 |
| 16 | 441 |
| 17 | 444 |
| 18 | 509 |
| 19 | 844 |
| 20 | 990 |
| 21 | 1607 |
| 22 | 1823 |
| 23 | 2745 |
| 24 | 3244 |
| 25 | 3517 |
| 26 | 3695 |