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 | 1 |
| 2 | 1 |
| 3 | 8 |
| 4 | 81 |
| 5 | 32 |
| 6 | 256 |
| 7 | 128 |
| 8 | 16 |
| 9 | 27 |
| 10 | 65536 |
| 11 | 2048 |
| 12 | 729 |
| 13 | 8192 |
| 14 | 16777216 |
| 15 | 1073741824 |
| 16 | 152587890625 |
| 17 | 131072 |
| 18 | 2985984 |
| 19 | 524288 |
| 20 | 892616806656 |
| 21 | 4398046511104 |
| 22 | 1099511627776 |
| 23 | 8388608 |
| 24 | 281474976710656 |
| 25 | 847288609443 |
| 26 | 281474976710656 |
| 27 | 18014398509481984 |
| 28 | 1499253470328324096 |