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 | 5 |
| 2 | 89 |
| 3 | 401 |
| 4 | 601 |
| 5 | 809 |
| 6 | 1609 |
| 7 | 2801 |
| 8 | 4649 |
| 9 | 5281 |
| 10 | 6569 |
| 11 | 9241 |
| 12 | 9929 |
| 13 | 14369 |
| 14 | 18089 |
| 15 | 19961 |
| 16 | 21841 |
| 17 | 27529 |
| 18 | 33289 |
| 19 | 41081 |
| 20 | 43049 |
| 21 | 51001 |
| 22 | 61121 |
| 23 | 67289 |
| 24 | 73529 |
| 25 | 79841 |
| 26 | 84089 |
| 27 | 92681 |
| 28 | 94849 |