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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 94 |
| 6 | 160 |
| 7 | 360 |
| 8 | 1470 |
| 9 | 2898 |
| 10 | 3094 |
| 11 | 3112 |
| 12 | 15698 |
| 13 | 17956 |
| 14 | 42262 |
| 15 | 111032 |
| 16 | 249550 |