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 | 43 |
| 4 | 53 |
| 5 | 353 |
| 6 | 433 |
| 7 | 443 |
| 8 | 3343 |
| 9 | 3433 |
| 10 | 3533 |
| 11 | 5333 |
| 12 | 5443 |
| 13 | 33343 |
| 14 | 33353 |
| 15 | 33533 |
| 16 | 34543 |
| 17 | 35353 |
| 18 | 35533 |
| 19 | 35543 |
| 20 | 43543 |
| 21 | 44453 |
| 22 | 44533 |
| 23 | 44543 |
| 24 | 45343 |
| 25 | 45433 |
| 26 | 45533 |
| 27 | 45553 |
| 28 | 53353 |
| 29 | 53453 |
| 30 | 54443 |
| 31 | 55333 |
| 32 | 55343 |
| 33 | 333433 |
| 34 | 333533 |
| 35 | 334333 |
| 36 | 335453 |
| 37 | 343333 |
| 38 | 343433 |
| 39 | 343543 |
| 40 | 344353 |
| 41 | 344453 |
| 42 | 344543 |
| 43 | 345533 |
| 44 | 353333 |
| 45 | 353443 |
| 46 | 353453 |
| 47 | 354353 |
| 48 | 354443 |