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) |
|---|---|
| 0 | 1 |
| 1 | 14 |
| 2 | 244 |
| 3 | 4344 |
| 4 | 114144 |
| 5 | 2050544 |
| 6 | 33233344 |
| 7 | 554200144 |
| 8 | 13531202544 |
| 9 | 243121245344 |
| 10 | 4332142412144 |
| 11 | 113534523014544 |
| 12 | 2043221010301344 |
| 13 | 33133534145024144 |
| 14 | 552403211002430544 |
| 15 | 13502453354043313344 |