A028109 Duplicate of A003468.
1, 22, 305, 3410, 33621, 305382, 2619625, 21554170, 171870941
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.