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 | 2 |
| 3 | 71 |
| 4 | 25 |
| 5 | 30 |
| 6 | 345 |
| 7 | 161 |
| 8 | 148 |
| 9 | 51 |
| 10 | 34 |
| 11 | 48 |
| 12 | 63 |
| 13 | 234 |
| 14 | 40 |
| 15 | 126 |
| 16 | 73 |
| 17 | 135 |
| 18 | 192 |
| 19 | 454 |
| 20 | 97 |
| 21 | 78 |
| 22 | 24841 |
| 23 | 433 |
| 24 | 85 |
| 25 | 17282073747557 |
| 26 | 322 |
| 27 | 102 |
| 28 | 106544217 |
| 29 | 207 |
| 30 | 556 |