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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 42 |
| 7 | 1 |
| 8 | 64 |
| 9 | 81 |
| 10 | 1010 |
| 11 | 1 |
| 12 | 1872 |
| 13 | 1 |
| 14 | 38430 |
| 15 | 3600 |
| 16 | 65536 |
| 17 | 1 |
| 18 | 110808 |
| 19 | 1 |
| 20 | 160400 |
| 21 | 194922 |
| 22 | 5153654 |
| 23 | 1 |
| 24 | 8294400 |
| 25 | 15625 |
| 26 | 308915802 |
| 27 | 531441 |
| 28 | 481891088 |
| 29 | 1 |
| 30 | 729837000 |
| 31 | 1 |
| 32 | 1073741824 |
| 33 | 39136482 |
| 34 | 52523350178 |
| 35 | 1543500 |
| 36 | 78424630272 |
| 37 | 1 |
| 38 | 4347792138534 |
| 39 | 3518745282 |