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 | 7 |
| 2 | 43 |
| 3 | 330 |
| 4 | 2749 |
| 5 | 24028 |
| 6 | 216341 |
| 7 | 1985459 |
| 8 | 18457847 |
| 9 | 173229058 |
| 10 | 1637624156 |
| 11 | 15570512744 |
| 12 | 148736628858 |
| 13 | 1426306930865 |
| 14 | 13722217893214 |
| 15 | 132387263219058 |
| 16 | 1280309691127436 |