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 | 2 |
| 2 | 26 |
| 3 | 182 |
| 4 | 878 |
| 5 | 3626 |
| 6 | 13508 |
| 7 | 46922 |
| 8 | 155156 |
| 9 | 494468 |
| 10 | 1529590 |
| 11 | 4615074 |
| 12 | 13633310 |
| 13 | 39548078 |
| 14 | 112918434 |
| 15 | 317920082 |
| 16 | 883996002 |