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 | 4441 |
| 2 | 4447 |
| 3 | 14447 |
| 4 | 14449 |
| 5 | 24443 |
| 6 | 44417 |
| 7 | 44449 |
| 8 | 44453 |
| 9 | 44483 |
| 10 | 44491 |
| 11 | 44497 |
| 12 | 54443 |
| 13 | 54449 |
| 14 | 74441 |
| 15 | 74449 |
| 16 | 84443 |
| 17 | 84449 |
| 18 | 94441 |
| 19 | 94447 |
| 20 | 124447 |
| 21 | 134443 |
| 22 | 144407 |
| 23 | 144409 |
| 24 | 144413 |
| 25 | 144427 |
| 26 | 144439 |
| 27 | 144451 |
| 28 | 144461 |
| 29 | 144479 |
| 30 | 144481 |
| 31 | 144497 |
| 32 | 164443 |
| 33 | 164447 |