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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 9 |
| 6 | 27 |
| 7 | 64 |
| 8 | 256 |
| 9 | 625 |
| 10 | 3125 |
| 11 | 7776 |
| 12 | 46656 |
| 13 | 117649 |
| 14 | 823543 |
| 15 | 2097152 |
| 16 | 16777216 |
| 17 | 43046721 |
| 18 | 387420489 |
| 19 | 1000000000 |
| 20 | 10000000000 |
| 21 | 25937424601 |
| 22 | 285311670611 |
| 23 | 743008370688 |
| 24 | 8916100448256 |
| 25 | 23298085122481 |
| 26 | 302875106592253 |
| 27 | 793714773254144 |
| 28 | 11112006825558016 |