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) |
|---|---|
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 11 |
| 7 | 1 |
| 8 | 42 |
| 9 | 10 |
| 10 | 202 |
| 11 | 1 |
| 12 | 1077 |
| 13 | 1 |
| 14 | 5539 |
| 15 | 210 |
| 16 | 30666 |
| 17 | 1 |
| 18 | 174620 |
| 19 | 1 |
| 20 | 1001642 |
| 21 | 5547 |
| 22 | 5864751 |
| 23 | 1 |
| 24 | 34799997 |
| 25 | 201 |
| 26 | 208267321 |
| 27 | 173593 |
| 28 | 1258579693 |
| 29 | 1 |
| 30 | 7664723137 |
| 31 | 1 |
| 32 | 46976034378 |
| 33 | 5864759 |
| 34 | 289628805624 |
| 35 | 5738 |
| 36 | 1794967236906 |
| 37 | 1 |
| 38 | 11175157356523 |
| 39 | 208267329 |