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 | 3 |
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 11 |
| 5 | 7 |
| 6 | 39 |
| 7 | 24 |
| 8 | 131 |
| 9 | 81 |
| 10 | 443 |
| 11 | 274 |
| 12 | 1499 |
| 13 | 927 |
| 14 | 5071 |
| 15 | 3136 |
| 16 | 17155 |
| 17 | 10609 |
| 18 | 58035 |
| 19 | 35890 |
| 20 | 196331 |
| 21 | 121415 |
| 22 | 664183 |
| 23 | 410744 |
| 24 | 2246915 |
| 25 | 1389537 |
| 26 | 7601259 |
| 27 | 4700770 |
| 28 | 25714875 |
| 29 | 15902591 |
| 30 | 86992799 |
| 31 | 53798080 |
| 32 | 294294531 |
| 33 | 181997601 |