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 | 43 |
| 3 | 83 |
| 4 | 383 |
| 5 | 433 |
| 6 | 443 |
| 7 | 883 |
| 8 | 3343 |
| 9 | 3433 |
| 10 | 3833 |
| 11 | 4483 |
| 12 | 8443 |
| 13 | 33343 |
| 14 | 34483 |
| 15 | 34843 |
| 16 | 34883 |
| 17 | 38333 |
| 18 | 38833 |
| 19 | 44383 |
| 20 | 44483 |
| 21 | 44843 |
| 22 | 48383 |
| 23 | 48883 |
| 24 | 83383 |
| 25 | 83443 |
| 26 | 83833 |
| 27 | 83843 |
| 28 | 84443 |
| 29 | 88843 |
| 30 | 88883 |
| 31 | 333383 |
| 32 | 333433 |
| 33 | 334333 |
| 34 | 334843 |
| 35 | 338383 |
| 36 | 343333 |
| 37 | 343433 |
| 38 | 344483 |
| 39 | 344843 |
| 40 | 348433 |
| 41 | 348443 |
| 42 | 348833 |
| 43 | 348883 |
| 44 | 383483 |
| 45 | 383833 |
| 46 | 384343 |
| 47 | 384383 |
| 48 | 388483 |