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 | 1 |
| 2 | 5 |
| 3 | 17 |
| 4 | 20 |
| 5 | 35 |
| 6 | 40 |
| 7 | 60 |
| 8 | 75 |
| 9 | 113 |
| 10 | 120 |
| 11 | 125 |
| 12 | 395 |
| 13 | 512 |
| 14 | 1204 |
| 15 | 2285 |
| 16 | 5451 |
| 17 | 5648 |
| 18 | 12736 |
| 19 | 36547 |
| 20 | 113675 |
| 21 | 1073605 |
| 22 | 1466089 |
| 23 | 3610208 |
| 24 | 4076745 |