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 | 256 |
| 1 | 390625 |
| 2 | 16777216 |
| 3 | 214358881 |
| 4 | 1475789056 |
| 5 | 6975757441 |
| 6 | 25600000000 |
| 7 | 78310985281 |
| 8 | 208827064576 |
| 9 | 500246412961 |
| 10 | 1099511627776 |
| 11 | 2251875390625 |
| 12 | 4347792138496 |
| 13 | 7984925229121 |
| 14 | 14048223625216 |
| 15 | 23811286661761 |
| 16 | 39062500000000 |
| 17 | 62259690411361 |
| 18 | 96717311574016 |
| 19 | 146830437604321 |