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 | 183783600 |
| 2 | 367567200 |
| 3 | 1396755360 |
| 4 | 1745944200 |
| 5 | 2327925600 |
| 6 | 3491888400 |
| 7 | 6983776800 |
| 8 | 80313433200 |
| 9 | 160626866400 |
| 10 | 252706217563800 |
| 11 | 288807105787200 |
| 12 | 336941623418400 |
| 13 | 404329948102080 |
| 14 | 505412435127600 |
| 15 | 673883246836800 |
| 16 | 1010824870255200 |
| 17 | 2021649740510400 |
| 18 | 112201560598327200 |