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 | 80 |
| 2 | 104 |
| 3 | 832 |
| 4 | 1952 |
| 5 | 7424 |
| 6 | 62464 |
| 7 | 522752 |
| 8 | 8382464 |
| 9 | 33357824 |
| 10 | 134193152 |
| 11 | 267649024 |
| 12 | 17167286272 |
| 13 | 549754241024 |