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 | 2 |
| 3 | 128 |
| 4 | 729 |
| 5 | 1458 |
| 6 | 4096 |
| 7 | 65536 |
| 8 | 93312 |
| 9 | 2985984 |
| 10 | 3906250 |
| 11 | 16777216 |
| 12 | 28697814 |
| 13 | 33554432 |
| 14 | 47775744 |
| 15 | 80707214 |
| 16 | 244140625 |
| 17 | 250000000 |
| 18 | 387420489 |
| 19 | 1836660096 |
| 20 | 2847656250 |
| 21 | 4715895382 |
| 22 | 5165261696 |
| 23 | 12230590464 |
| 24 | 13841287201 |
| 25 | 17179869184 |
| 26 | 21208998746 |
| 27 | 24461180928 |