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 | 4 |
| 2 | 8 |
| 3 | 9 |
| 4 | 16 |
| 5 | 25 |
| 6 | 27 |
| 7 | 36 |
| 8 | 49 |
| 9 | 125 |
| 10 | 128 |
| 11 | 144 |
| 12 | 169 |
| 13 | 225 |
| 14 | 256 |
| 15 | 289 |
| 16 | 1156 |
| 17 | 1225 |
| 18 | 1369 |
| 19 | 1444 |
| 20 | 4489 |
| 21 | 6889 |
| 22 | 11236 |
| 23 | 11449 |
| 24 | 13456 |
| 25 | 13689 |
| 26 | 27889 |
| 27 | 33489 |
| 28 | 111556 |
| 29 | 112225 |
| 30 | 113569 |
| 31 | 134689 |
| 32 | 146689 |
| 33 | 344569 |
| 34 | 444889 |
| 35 | 2666689 |
| 36 | 2778889 |
| 37 | 11115556 |
| 38 | 11122225 |
| 39 | 11135569 |
| 40 | 11336689 |