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 | 9 |
| 3 | 36 |
| 4 | 144 |
| 5 | 169 |
| 6 | 225 |
| 7 | 441 |
| 8 | 576 |
| 9 | 676 |
| 10 | 729 |
| 11 | 900 |
| 12 | 1369 |
| 13 | 1764 |
| 14 | 2025 |
| 15 | 2209 |
| 16 | 2304 |
| 17 | 2704 |
| 18 | 2809 |
| 19 | 2916 |
| 20 | 3249 |
| 21 | 3600 |
| 22 | 3721 |
| 23 | 3969 |
| 24 | 4761 |
| 25 | 5329 |
| 26 | 5476 |
| 27 | 6561 |
| 28 | 6889 |
| 29 | 7056 |
| 30 | 8100 |
| 31 | 8649 |
| 32 | 8836 |
| 33 | 9216 |
| 34 | 9801 |
| 35 | 10816 |
| 36 | 11025 |
| 37 | 11236 |
| 38 | 11449 |
| 39 | 11664 |
| 40 | 11881 |
| 41 | 12321 |
| 42 | 12996 |
| 43 | 13225 |
| 44 | 14161 |
| 45 | 14400 |
| 46 | 14884 |
| 47 | 15129 |
| 48 | 15876 |
| 49 | 17689 |
| 50 | 18769 |
| 51 | 19044 |
| 52 | 19881 |
| 53 | 21316 |
| 54 | 21904 |