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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 9 |
| 4 | 10 |
| 5 | 1 |
| 6 | 225 |
| 7 | 259 |
| 8 | 35 |
| 9 | 1 |
| 10 | 11025 |
| 11 | 12916 |
| 12 | 1974 |
| 13 | 84 |
| 14 | 1 |
| 15 | 893025 |
| 16 | 1057221 |
| 17 | 172810 |
| 18 | 8778 |
| 19 | 165 |
| 20 | 1 |
| 21 | 108056025 |
| 22 | 128816766 |
| 23 | 21967231 |
| 24 | 1234948 |
| 25 | 28743 |
| 26 | 286 |
| 27 | 1 |
| 28 | 18261468225 |
| 29 | 21878089479 |
| 30 | 3841278805 |
| 31 | 230673443 |
| 32 | 6092515 |
| 33 | 77077 |
| 34 | 455 |
| 35 | 1 |
| 36 | 4108830350625 |
| 37 | 4940831601000 |