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 | 256 |
| 3 | 387420489 |
| 4 | 4096 |
| 5 | 59604644775390625 |
| 6 | 60466176 |
| 7 | 79792266297612001 |
| 8 | 8589934592 |
| 9 | 984770902183611232881 |
| 10 | 100 |
| 11 | 121 |
| 12 | 144 |
| 13 | 169 |
| 14 | 196 |
| 15 | 11390625 |
| 16 | 1048576 |
| 17 | 1419857 |
| 18 | 104976 |
| 19 | 130321 |
| 20 | 25600000000 |
| 21 | 278218429446951548637196401 |