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 | 262144 |
| 1 | 64000000 |
| 2 | 1073741824 |
| 3 | 7256313856 |
| 4 | 30840979456 |
| 5 | 98867482624 |
| 6 | 262144000000 |
| 7 | 606355001344 |
| 8 | 1265319018496 |
| 9 | 2436396322816 |
| 10 | 4398046511104 |
| 11 | 7529536000000 |
| 12 | 12332795428864 |
| 13 | 19456426971136 |
| 14 | 29721861554176 |
| 15 | 44151665987584 |
| 16 | 64000000000000 |
| 17 | 90785223184384 |