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 | 248 |
| 3 | 3875 |
| 4 | 27000 |
| 5 | 30380 |
| 6 | 147250 |
| 7 | 779247 |
| 8 | 1763125 |
| 9 | 2450240 |
| 10 | 4096000 |
| 11 | 4881384 |
| 12 | 6696000 |
| 13 | 26411008 |
| 14 | 70680000 |
| 15 | 76271625 |
| 16 | 79143000 |
| 17 | 146325270 |
| 18 | 203205000 |
| 19 | 281545875 |
| 20 | 301694976 |
| 21 | 344452500 |
| 22 | 820260000 |
| 23 | 1094951000 |
| 24 | 2172667860 |