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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 6 |
| 3 | 34 |
| 4 | 190 |
| 5 | 1059 |
| 6 | 5908 |
| 7 | 33028 |
| 8 | 185076 |
| 9 | 1039525 |
| 10 | 5851626 |
| 11 | 33006438 |
| 12 | 186519138 |
| 13 | 1055789511 |
| 14 | 5985405000 |
| 15 | 33979107336 |
| 16 | 193143097288 |