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 | 11411 |
| 2 | 14341 |
| 3 | 1464641 |
| 4 | 1447441 |
| 5 | 1444441 |
| 6 | 144404441 |
| 7 | 14244444241 |
| 8 | 34444344443 |
| 9 | 74444444447 |
| 10 | 1444447444441 |
| 11 | 3444444444443 |
| 12 | 144444454444441 |
| 13 | 14144444444444141 |
| 14 | 34444444044444443 |
| 15 | 1414444444444444141 |
| 16 | 1444444447444444441 |
| 17 | 104444444444444444401 |