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) |
|---|---|
| 0 | 0 |
| 1 | 25 |
| 2 | 100 |
| 3 | 225 |
| 4 | 400 |
| 5 | 625 |
| 6 | 900 |
| 7 | 1225 |
| 8 | 1600 |
| 9 | 2025 |
| 10 | 2500 |
| 11 | 3025 |
| 12 | 3600 |
| 13 | 4225 |
| 14 | 4900 |
| 15 | 5625 |
| 16 | 6400 |
| 17 | 7225 |
| 18 | 8100 |
| 19 | 9025 |
| 20 | 10000 |
| 21 | 11025 |
| 22 | 12100 |
| 23 | 13225 |
| 24 | 14400 |
| 25 | 15625 |
| 26 | 16900 |
| 27 | 18225 |
| 28 | 19600 |
| 29 | 21025 |
| 30 | 22500 |
| 31 | 24025 |
| 32 | 25600 |
| 33 | 27225 |
| 34 | 28900 |
| 35 | 30625 |
| 36 | 32400 |
| 37 | 34225 |
| 38 | 36100 |
| 39 | 38025 |
| 40 | 40000 |
| 41 | 42025 |