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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 11 |
| 4 | 8 |
| 5 | 57 |
| 6 | 14 |
| 7 | 11 |
| 8 | 13 |
| 9 | 1019 |
| 10 | 44 |
| 11 | 1250 |
| 12 | 43 |
| 13 | 2721 |
| 14 | 42 |
| 15 | 249522 |
| 16 | 2840 |
| 17 | 1989839 |
| 18 | 2839 |
| 19 | 3373774 |
| 20 | 4933 |
| 21 | 142715511 |
| 22 | 42793 |
| 23 | 435650856 |
| 24 | 5266 |
| 25 | 30119361 |
| 26 | 104063 |
| 27 | 454172978707 |
| 28 | 100285 |
| 29 | 434562125244 |
| 30 | 2755089 |
| 31 | 2409925829164 |
| 32 | 2485612 |