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 | 16384 |
| 1 | 268435456 |
| 2 | 13492928512 |
| 3 | 163840000000 |
| 4 | 1028071702528 |
| 5 | 4398046511104 |
| 6 | 14645194571776 |
| 7 | 40867559636992 |
| 8 | 100000000000000 |
| 9 | 221068140740608 |
| 10 | 450766669594624 |
| 11 | 860542568759296 |
| 12 | 1555363874947072 |
| 13 | 2684354560000000 |
| 14 | 4453476124377088 |
| 15 | 7140436495826944 |
| 16 | 11112006825558016 |