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 | 101 |
| 5 | 131 |
| 6 | 151 |
| 7 | 181 |
| 8 | 283 |
| 9 | 293 |
| 10 | 313 |
| 11 | 353 |
| 12 | 647 |
| 13 | 677 |
| 14 | 727 |
| 15 | 829 |
| 16 | 839 |
| 17 | 859 |
| 18 | 9091 |
| 19 | 9391 |
| 20 | 9491 |
| 21 | 9791 |
| 22 | 10301 |
| 23 | 10501 |
| 24 | 10601 |
| 25 | 11311 |
| 26 | 11411 |
| 27 | 11821 |
| 28 | 12421 |
| 29 | 12721 |
| 30 | 13331 |
| 31 | 13841 |
| 32 | 14341 |
| 33 | 14551 |
| 34 | 14851 |
| 35 | 14951 |
| 36 | 15451 |
| 37 | 15461 |
| 38 | 15661 |
| 39 | 15761 |
| 40 | 16061 |
| 41 | 16361 |
| 42 | 16871 |
| 43 | 17581 |