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 | 17 |
| 6 | 29 |
| 7 | 43 |
| 8 | 59 |
| 9 | 97 |
| 10 | 193 |
| 11 | 251 |
| 12 | 277 |
| 13 | 389 |
| 14 | 439 |
| 15 | 491 |
| 16 | 577 |
| 17 | 601 |
| 18 | 659 |
| 19 | 719 |
| 20 | 911 |
| 21 | 1049 |
| 22 | 1237 |
| 23 | 1429 |
| 24 | 1511 |
| 25 | 1951 |
| 26 | 2141 |
| 27 | 2239 |
| 28 | 2293 |
| 29 | 2339 |
| 30 | 2441 |
| 31 | 3329 |
| 32 | 3449 |
| 33 | 3571 |
| 34 | 3637 |
| 35 | 3821 |
| 36 | 3889 |
| 37 | 4079 |
| 38 | 4211 |
| 39 | 4481 |
| 40 | 4759 |
| 41 | 5569 |
| 42 | 5641 |
| 43 | 6269 |
| 44 | 6761 |
| 45 | 7537 |
| 46 | 7621 |
| 47 | 8161 |
| 48 | 8629 |
| 49 | 8719 |