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 | 9 |
| 3 | 36 |
| 4 | 100 |
| 5 | 225 |
| 6 | 441 |
| 7 | 784 |
| 8 | 900 |
| 9 | 1225 |
| 10 | 1296 |
| 11 | 2025 |
| 12 | 3025 |
| 13 | 4356 |
| 14 | 6084 |
| 15 | 7056 |
| 16 | 8281 |
| 17 | 11025 |
| 18 | 14400 |
| 19 | 18496 |
| 20 | 23409 |
| 21 | 29241 |
| 22 | 32400 |
| 23 | 36100 |
| 24 | 41616 |
| 25 | 44100 |
| 26 | 53361 |
| 27 | 64009 |
| 28 | 76176 |
| 29 | 88209 |
| 30 | 90000 |
| 31 | 105625 |
| 32 | 108900 |
| 33 | 123201 |
| 34 | 142884 |
| 35 | 164836 |
| 36 | 189225 |
| 37 | 216225 |
| 38 | 246016 |
| 39 | 278784 |
| 40 | 298116 |