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) |
|---|---|
| 3 | 17 |
| 4 | 33 |
| 5 | 81 |
| 6 | 113 |
| 7 | 193 |
| 8 | 241 |
| 9 | 353 |
| 10 | 561 |
| 11 | 641 |
| 12 | 913 |
| 13 | 1121 |
| 14 | 1233 |
| 15 | 1473 |
| 16 | 1873 |
| 17 | 2321 |
| 18 | 2481 |
| 19 | 2993 |
| 20 | 3361 |
| 21 | 3553 |
| 22 | 4161 |
| 23 | 4593 |
| 24 | 5281 |
| 25 | 6273 |
| 26 | 6801 |
| 27 | 7073 |
| 28 | 7633 |
| 29 | 7921 |
| 30 | 8513 |
| 31 | 10753 |
| 32 | 11441 |
| 33 | 12513 |
| 34 | 12881 |
| 35 | 14801 |
| 36 | 15201 |
| 37 | 16433 |
| 38 | 17713 |
| 39 | 18593 |
| 40 | 19953 |
| 41 | 21361 |
| 42 | 21841 |