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 | 11 |
| 3 | 19 |
| 4 | 27 |
| 5 | 515 |
| 6 | 523 |
| 7 | 531 |
| 8 | 539 |
| 9 | 2051 |
| 10 | 2059 |
| 11 | 2067 |
| 12 | 2075 |
| 13 | 2563 |
| 14 | 2571 |
| 15 | 2579 |
| 16 | 2587 |
| 17 | 8195 |
| 18 | 8203 |
| 19 | 8211 |
| 20 | 8219 |
| 21 | 8707 |
| 22 | 8715 |
| 23 | 8723 |
| 24 | 8731 |
| 25 | 10243 |
| 26 | 10251 |
| 27 | 10259 |
| 28 | 10267 |
| 29 | 10755 |
| 30 | 10763 |
| 31 | 10771 |
| 32 | 10779 |
| 33 | 32771 |
| 34 | 32779 |
| 35 | 32787 |
| 36 | 32795 |
| 37 | 33283 |
| 38 | 33291 |
| 39 | 33299 |