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 | 18 |
| 3 | 45 |
| 4 | 54 |
| 5 | 64 |
| 6 | 125 |
| 7 | 218 |
| 8 | 246 |
| 9 | 935 |
| 10 | 1125 |
| 11 | 6021 |
| 12 | 6866 |
| 13 | 7887 |
| 14 | 40210 |
| 15 | 89330 |
| 16 | 457625 |
| 17 | 577655 |
| 18 | 613385 |
| 19 | 640118 |
| 20 | 5200210 |
| 21 | 6809148 |
| 22 | 7293243 |
| 23 | 10013591 |
| 24 | 50980917 |
| 25 | 216864574 |
| 26 | 885859983 |
| 27 | 4556794863 |
| 28 | 4939169289 |
| 29 | 8580755055 |
| 30 | 8672110451 |
| 31 | 18562634876 |
| 32 | 18992278338 |
| 33 | 36013476739 |