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 | 13 |
| 3 | 103 |
| 4 | 1117 |
| 5 | 11119 |
| 6 | 114031 |
| 7 | 1114693 |
| 8 | 11213611 |
| 9 | 101116111 |
| 10 | 1013251111 |
| 11 | 10116171733 |
| 12 | 101346411811 |
| 13 | 1011670114111 |
| 14 | 11111117116117 |