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 | 4 |
| 3 | 16 |
| 4 | 36 |
| 5 | 128 |
| 6 | 256 |
| 7 | 441 |
| 8 | 1296 |
| 9 | 2025 |
| 10 | 16384 |
| 11 | 21025 |
| 12 | 65536 |
| 13 | 77841 |
| 14 | 194481 |
| 15 | 220900 |
| 16 | 279936 |
| 17 | 1679616 |
| 18 | 1803649 |
| 19 | 4100625 |
| 20 | 4338889 |
| 21 | 268435456 |
| 22 | 273571600 |
| 23 | 442050625 |
| 24 | 449482401 |
| 25 | 1801088541 |
| 26 | 4294967296 |
| 27 | 4334247225 |
| 28 | 6059221281 |