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 | 2 |
| 4 | 2 |
| 5 | 10 |
| 6 | 26 |
| 7 | 32 |
| 8 | 74 |
| 9 | 54 |
| 10 | 198 |
| 11 | 486 |
| 12 | 726 |
| 13 | 1112 |
| 14 | 1438 |
| 15 | 1570 |
| 16 | 1576 |
| 17 | 1220 |
| 18 | 954 |
| 19 | 888 |
| 20 | 464 |
| 21 | 194 |
| 22 | 116 |
| 23 | 48 |
| 24 | 8 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 36 |
| 29 | 0 |