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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 31 |
| 6 | 37 |
| 7 | 223 |
| 8 | 227 |
| 9 | 229 |
| 10 | 743 |
| 11 | 1741 |
| 12 | 1747 |
| 13 | 3391 |
| 14 | 5851 |
| 15 | 5857 |
| 16 | 9281 |
| 17 | 9283 |
| 18 | 13841 |
| 19 | 19709 |
| 20 | 27011 |
| 21 | 27017 |
| 22 | 35963 |
| 23 | 35969 |
| 24 | 46681 |
| 25 | 46687 |
| 26 | 59341 |
| 27 | 74101 |
| 28 | 91141 |
| 29 | 110603 |
| 30 | 110609 |
| 31 | 132679 |
| 32 | 373273 |
| 33 | 474581 |
| 34 | 474583 |
| 35 | 729023 |
| 36 | 804383 |
| 37 | 1061227 |
| 38 | 1259743 |
| 39 | 1259749 |
| 40 | 1481573 |
| 41 | 2000393 |