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 | 3 |
| 2 | 5 |
| 3 | 11 |
| 4 | 17 |
| 5 | 21 |
| 6 | 27 |
| 7 | 81 |
| 8 | 101 |
| 9 | 107 |
| 10 | 327 |
| 11 | 383 |
| 12 | 387 |
| 13 | 941 |
| 14 | 1665 |
| 15 | 3515 |
| 16 | 4007 |
| 17 | 4727 |
| 18 | 7137 |
| 19 | 16257 |
| 20 | 16833 |
| 21 | 21243 |
| 22 | 24239 |
| 23 | 35435 |
| 24 | 59925 |
| 25 | 91673 |
| 26 | 153455 |
| 27 | 165341 |
| 28 | 183167 |
| 29 | 190349 |
| 30 | 240743 |
| 31 | 253385 |
| 32 | 308325 |
| 33 | 741917 |