A182104 Duplicate of A073587.
1, 3, 13, 105, 1681, 53793, 3442753, 440672385, 112812130561
Offset: 0
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.