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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 4 |
| 7 | 1 |
| 8 | 27 |
| 9 | 14 |
| 10 | 34 |
| 11 | 6 |
| 12 | 132 |
| 13 | 97 |
| 14 | 1 |
| 15 | 500 |
| 16 | 1816 |
| 17 | 1292 |
| 18 | 136 |
| 19 | 2445 |
| 20 | 15 |
| 21 | 1934 |
| 22 | 5472 |
| 23 | 1584 |
| 24 | 2734 |
| 25 | 21022 |
| 26 | 5870 |