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 | 1 |
| 2 | 8 |
| 3 | 108 |
| 4 | 1125 |
| 5 | 12800 |
| 6 | 140608 |
| 7 | 1565109 |
| 8 | 17333064 |
| 9 | 192329500 |
| 10 | 2132531225 |
| 11 | 23651979264 |
| 12 | 262296652032 |
| 13 | 2908947562937 |
| 14 | 32260582549000 |
| 15 | 357775937196300 |
| 16 | 3967793428038237 |
| 17 | 44003514081895936 |
| 18 | 488006404120114496 |
| 19 | 5412074146674562125 |
| 20 | 60020821224245910600 |