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) |
|---|---|
| 31 | 1 |
| 32 | 32 |
| 33 | 528 |
| 34 | 5984 |
| 35 | 52360 |
| 36 | 376992 |
| 37 | 2324784 |
| 38 | 12620256 |
| 39 | 61523748 |
| 40 | 273438880 |
| 41 | 1121099408 |
| 42 | 4280561376 |
| 43 | 15338678264 |
| 44 | 51915526432 |
| 45 | 166871334960 |
| 46 | 511738760544 |
| 47 | 1503232609098 |
| 48 | 4244421484512 |
| 49 | 11554258485616 |
| 50 | 30405943383200 |
| 51 | 77535155627160 |
| 52 | 191991813933920 |