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 | 8 |
| 2 | 16384 |
| 3 | 3359232 |
| 4 | 268435456 |
| 5 | 12800000000 |
| 6 | 440301256704 |
| 7 | 12089663946752 |
| 8 | 281474976710656 |
| 9 | 5777633090469888 |
| 10 | 107374182400000000 |
| 11 | 1841328767004311552 |
| 12 | 29548117155177824256 |
| 13 | 448452706436800053248 |
| 14 | 6490588908866265677824 |
| 15 | 90173697372979200000000 |