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 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | -11 |
| 5 | 19 |
| 6 | 29 |
| 7 | -37 |
| 8 | -23 |
| 9 | 31 |
| 10 | -13 |
| 11 | -11 |
| 12 | 37 |
| 13 | -311 |
| 14 | 317 |
| 15 | 593 |
| 16 | 23 |
| 17 | -11 |
| 18 | -929 |
| 19 | -53 |
| 20 | 41 |
| 21 | -59 |
| 22 | -643 |
| 23 | 29 |