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 | 4 |
| 3 | 9 |
| 4 | 49 |
| 5 | 64 |
| 6 | 81 |
| 7 | 100 |
| 8 | 225 |
| 9 | 400 |
| 10 | 625 |
| 11 | 900 |
| 12 | 1225 |
| 13 | 2025 |
| 14 | 3025 |
| 15 | 4225 |
| 16 | 4900 |
| 17 | 5625 |
| 18 | 6400 |
| 19 | 7225 |
| 20 | 8100 |
| 21 | 9025 |
| 22 | 10000 |
| 23 | 15625 |
| 24 | 22500 |
| 25 | 27225 |
| 26 | 30625 |
| 27 | 34225 |
| 28 | 40000 |
| 29 | 42025 |
| 30 | 50625 |
| 31 | 60025 |
| 32 | 62500 |
| 33 | 70225 |
| 34 | 75625 |
| 35 | 81225 |
| 36 | 90000 |
| 37 | 93025 |
| 38 | 105625 |
| 39 | 122500 |
| 40 | 202500 |
| 41 | 275625 |
| 42 | 302500 |
| 43 | 330625 |