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 | 6 |
| 3 | 31 |
| 4 | 71 |
| 5 | 172 |
| 6 | 175 |
| 7 | 1961 |
| 8 | 6176 |
| 9 | 33836 |
| 10 | 61282 |
| 11 | 305871 |
| 12 | 856635 |
| 13 | 2135396 |
| 14 | 7291510 |
| 15 | 11032874 |
| 16 | 30775389 |