A160771 Erroneous version of A040976.
3, 5, 9, 11, 15, 17, 21, 27, 29, 35, 39, 41, 45, 49, 51, 55, 57
Offset: 3
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.