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 | 10 |
| 5 | 25 |
| 6 | 35 |
| 7 | 36 |
| 8 | 46 |
| 9 | 49 |
| 10 | 64 |
| 11 | 66 |
| 12 | 75 |
| 13 | 113 |
| 14 | 144 |
| 15 | 149 |
| 16 | 179 |
| 17 | 188 |
| 18 | 196 |
| 19 | 203 |
| 20 | 221 |
| 21 | 241 |
| 22 | 250 |
| 23 | 290 |
| 24 | 302 |
| 25 | 380 |
| 26 | 395 |
| 27 | 397 |
| 28 | 400 |