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 | 326918592000 |
| 2 | 435891456000 |
| 3 | 653837184000 |
| 4 | 871782912000 |
| 5 | 980755776000 |
| 6 | 1089728640000 |
| 7 | 1307674368000 |
| 8 | 1401079680000 |
| 9 | 1508855040000 |
| 10 | 1525620096000 |
| 11 | 1569209241600 |
| 12 | 1587890304000 |
| 13 | 1634592960000 |
| 14 | 1710035712000 |
| 15 | 1852538688000 |
| 16 | 1868106240000 |
| 17 | 1961511552000 |
| 18 | 2070484416000 |