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 | 225 |
| 1 | 6 |
| 2 | 1025 |
| 3 | 6 |
| 4 | 225 |
| 5 | 9937257544619140625 |
| 6 | 80625 |
| 7 | 225 |
| 8 | 19025 |
| 9 | 14797831640625 |
| 10 | 5625 |
| 11 | 89450791534674072265625 |
| 12 | 96 |
| 13 | 69 |
| 14 | 44 |
| 15 | 21 |
| 16 | 1993672119140625 |
| 17 | 2002541101386962890625 |
| 18 | 225 |
| 19 | 6 |
| 20 | 8734765625 |
| 21 | 99758030615478515625 |
| 22 | 5625 |
| 23 | 863225 |
| 24 | 80625 |
| 25 | 6 |
| 26 | 40625 |
| 27 | 225 |
| 28 | 890625 |
| 29 | 158764150390625 |