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 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 432 |
| 7 | 1 |
| 8 | 16384 |
| 9 | 19683 |
| 10 | 800000 |
| 11 | 1 |
| 12 | 5159780352 |
| 13 | 1 |
| 14 | 3373232128 |
| 15 | 5189853515625 |
| 16 | 281474976710656 |
| 17 | 1 |
| 18 | 499751156776108032 |
| 19 | 1 |
| 20 | 524288000000000000000 |
| 21 | 262757514534242203161 |
| 22 | 299170970322599936 |
| 23 | 1 |
| 24 | 48239864614087244084529856512 |
| 25 | 2910383045673370361328125 |