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 | 13 |
| 4 | 17 |
| 5 | 41 |
| 6 | 97 |
| 7 | 113 |
| 8 | 193 |
| 9 | 241 |
| 10 | 257 |
| 11 | 353 |
| 12 | 449 |
| 13 | 577 |
| 14 | 641 |
| 15 | 673 |
| 16 | 769 |
| 17 | 929 |
| 18 | 1153 |
| 19 | 1217 |
| 20 | 1409 |
| 21 | 1601 |
| 22 | 2113 |
| 23 | 2689 |
| 24 | 2753 |
| 25 | 3137 |
| 26 | 3329 |
| 27 | 3457 |
| 28 | 4481 |
| 29 | 4993 |
| 30 | 6529 |
| 31 | 7297 |
| 32 | 7681 |
| 33 | 7937 |
| 34 | 9473 |
| 35 | 9601 |
| 36 | 9857 |
| 37 | 10369 |
| 38 | 10753 |
| 39 | 11393 |
| 40 | 11777 |
| 41 | 12161 |
| 42 | 12289 |
| 43 | 13313 |