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 | 23 |
| 2 | 43 |
| 3 | 73 |
| 4 | 229 |
| 5 | 233 |
| 6 | 277 |
| 7 | 449 |
| 8 | 773 |
| 9 | 937 |
| 10 | 947 |
| 11 | 2239 |
| 12 | 2243 |
| 13 | 2297 |
| 14 | 2377 |
| 15 | 2777 |
| 16 | 3299 |
| 17 | 3449 |
| 18 | 3727 |
| 19 | 3943 |
| 20 | 4243 |
| 21 | 4423 |
| 22 | 4493 |
| 23 | 7393 |
| 24 | 7723 |
| 25 | 7927 |
| 26 | 7949 |
| 27 | 9227 |
| 28 | 9743 |
| 29 | 9749 |
| 30 | 22277 |
| 31 | 22727 |
| 32 | 22777 |
| 33 | 22943 |
| 34 | 23327 |
| 35 | 23399 |
| 36 | 23497 |
| 37 | 23747 |
| 38 | 24473 |
| 39 | 24733 |
| 40 | 27239 |
| 41 | 27277 |
| 42 | 27427 |
| 43 | 27799 |
| 44 | 29347 |