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 | 17 |
| 4 | 257 |
| 5 | 413 |
| 6 | 611 |
| 7 | 1391 |
| 8 | 1589 |
| 9 | 1903 |
| 10 | 2327 |
| 11 | 5599 |
| 12 | 27959 |
| 13 | 29623 |
| 14 | 36647 |
| 15 | 36983 |
| 16 | 38863 |
| 17 | 42851 |
| 18 | 43919 |
| 19 | 46463 |
| 20 | 49513 |
| 21 | 65537 |
| 22 | 76759 |
| 23 | 82969 |
| 24 | 86567 |
| 25 | 88759 |
| 26 | 96839 |
| 27 | 111179 |
| 28 | 116479 |
| 29 | 129307 |
| 30 | 171191 |
| 31 | 184979 |
| 32 | 213041 |
| 33 | 277619 |
| 34 | 301157 |
| 35 | 310519 |
| 36 | 346151 |
| 37 | 362263 |
| 38 | 372227 |
| 39 | 375167 |