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 | 36 |
| 7 | 1 |
| 8 | 64 |
| 9 | 9 |
| 10 | 100 |
| 11 | 1 |
| 12 | 20736 |
| 13 | 1 |
| 14 | 196 |
| 15 | 225 |
| 16 | 4096 |
| 17 | 1 |
| 18 | 104976 |
| 19 | 1 |
| 20 | 160000 |
| 21 | 441 |
| 22 | 484 |
| 23 | 1 |
| 24 | 191102976 |
| 25 | 25 |
| 26 | 676 |
| 27 | 729 |
| 28 | 614656 |
| 29 | 1 |
| 30 | 729000000 |
| 31 | 1 |
| 32 | 1048576 |
| 33 | 1089 |
| 34 | 1156 |
| 35 | 1225 |
| 36 | 78364164096 |
| 37 | 1 |
| 38 | 1444 |
| 39 | 1521 |
| 40 | 4096000000 |
| 41 | 1 |
| 42 | 5489031744 |
| 43 | 1 |
| 44 | 3748096 |
| 45 | 4100625 |
| 46 | 2116 |
| 47 | 1 |
| 48 | 28179280429056 |
| 49 | 49 |
| 50 | 6250000 |