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 | 25 |
| 2 | 625 |
| 3 | 576 |
| 4 | 1296 |
| 5 | 2500 |
| 6 | 5476 |
| 7 | 11664 |
| 8 | 22500 |
| 9 | 51076 |
| 10 | 106276 |
| 11 | 213444 |
| 12 | 462400 |
| 13 | 980100 |
| 14 | 2016400 |
| 15 | 4194304 |
| 16 | 9036036 |
| 17 | 18835600 |
| 18 | 38588944 |
| 19 | 82846404 |
| 20 | 174715524 |
| 21 | 358420624 |
| 22 | 758341444 |
| 23 | 1612986244 |
| 24 | 3336910756 |
| 25 | 6965237764 |
| 26 | 14838163344 |
| 27 | 31009096836 |