A039707 Erroneous version of A005470.
1, 2, 4, 11, 33, 142, 822, 6910
Offset: 1
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.