A090542 Incorrect version of A060462.
1, 3, 5, 7, 8, 11, 13, 14, 15
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.