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 | 9 |
| 3 | 49 |
| 4 | 64 |
| 5 | 121 |
| 6 | 169 |
| 7 | 289 |
| 8 | 400 |
| 9 | 512 |
| 10 | 625 |
| 11 | 900 |
| 12 | 961 |
| 13 | 968 |
| 14 | 1156 |
| 15 | 1225 |
| 16 | 1568 |
| 17 | 1849 |
| 18 | 2048 |
| 19 | 2401 |
| 20 | 2888 |
| 21 | 3125 |
| 22 | 3136 |
| 23 | 3364 |
| 24 | 3481 |
| 25 | 3721 |
| 26 | 4000 |
| 27 | 4900 |
| 28 | 4913 |
| 29 | 5041 |
| 30 | 5329 |
| 31 | 5408 |
| 32 | 6400 |
| 33 | 6859 |
| 34 | 6889 |
| 35 | 7396 |
| 36 | 8192 |
| 37 | 8575 |
| 38 | 9000 |
| 39 | 9604 |
| 40 | 10201 |
| 41 | 10648 |
| 42 | 10816 |
| 43 | 10952 |