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 | 7 |
| 4 | 11 |
| 5 | 13 |
| 6 | 17 |
| 7 | 19 |
| 8 | 179 |
| 9 | 181 |
| 10 | 191 |
| 11 | 193 |
| 12 | 197 |
| 13 | 199 |
| 14 | 809 |
| 15 | 811 |
| 16 | 821 |
| 17 | 823 |
| 18 | 827 |
| 19 | 829 |
| 20 | 3359 |
| 21 | 3361 |
| 22 | 3371 |
| 23 | 3373 |
| 24 | 3389 |
| 25 | 3391 |
| 26 | 4217 |
| 27 | 4219 |
| 28 | 4229 |
| 29 | 4231 |
| 30 | 4241 |
| 31 | 4243 |
| 32 | 6761 |
| 33 | 6763 |
| 34 | 6779 |
| 35 | 6781 |
| 36 | 6791 |
| 37 | 6793 |
| 38 | 9419 |
| 39 | 9421 |
| 40 | 9431 |
| 41 | 9433 |
| 42 | 9437 |
| 43 | 9439 |
| 44 | 9461 |
| 45 | 9463 |
| 46 | 18041 |