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) |
|---|---|
| 2 | 30 |
| 3 | 43 |
| 4 | 70 |
| 5 | 291 |
| 6 | 1141 |
| 7 | 2193 |
| 8 | 3475 |
| 9 | 12628 |
| 10 | 8945 |
| 11 | 15404 |
| 12 | 62785 |
| 13 | 29618 |
| 14 | 91533 |
| 15 | 95161 |
| 16 | 375041 |
| 17 | 73533 |
| 18 | 869960 |
| 19 | 329955 |
| 20 | 1119201 |
| 21 | 172167 |
| 22 | 2190654 |
| 23 | 252598 |
| 24 | 2712385 |
| 25 | 352813 |
| 26 | 5085549 |
| 27 | 6174631 |
| 28 | 6217121 |
| 29 | 3241215 |
| 30 | 10329301 |
| 31 | 935964 |
| 32 | 15084677 |