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 | 17 |
| 5 | 47 |
| 6 | 71 |
| 7 | 107 |
| 8 | 223 |
| 9 | 401 |
| 10 | 823 |
| 11 | 827 |
| 12 | 857 |
| 13 | 883 |
| 14 | 2087 |
| 15 | 2089 |
| 16 | 2539 |
| 17 | 3253 |
| 18 | 4007 |
| 19 | 5051 |
| 20 | 5059 |
| 21 | 5503 |
| 22 | 5507 |
| 23 | 7541 |
| 24 | 8447 |
| 25 | 10247 |
| 26 | 12401 |
| 27 | 18041 |
| 28 | 25303 |
| 29 | 33529 |
| 30 | 33589 |
| 31 | 35533 |
| 32 | 40427 |
| 33 | 44171 |
| 34 | 45557 |
| 35 | 53503 |
| 36 | 53653 |
| 37 | 53899 |
| 38 | 54401 |
| 39 | 55001 |
| 40 | 55009 |
| 41 | 55333 |
| 42 | 55817 |
| 43 | 57077 |
| 44 | 71147 |
| 45 | 81017 |
| 46 | 82003 |
| 47 | 93553 |