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 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 7 |
| 6 | 8 |
| 7 | 11 |
| 8 | 15 |
| 9 | 26 |
| 10 | 29 |
| 11 | 50 |
| 12 | 66 |
| 13 | 122 |
| 14 | 225 |
| 15 | 272 |
| 16 | 275 |
| 17 | 308 |
| 18 | 390 |
| 19 | 992 |
| 20 | 1201 |
| 21 | 2520 |
| 22 | 15812 |
| 23 | 17419 |
| 24 | 29328 |
| 25 | 41852 |