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 | 0 |
| 2 | 1 |
| 3 | 1138 |
| 4 | 1634 |
| 5 | 2178 |
| 6 | 4179 |
| 7 | 4338 |
| 8 | 4514 |
| 9 | 6514 |
| 10 | 6725 |
| 11 | 8208 |
| 12 | 9219 |
| 13 | 9474 |
| 14 | 13139 |