whoah, I've just noticed that Neil Sloane mentioned one of my integer sequences in a talk at Doron Zeilberger's experimental math class! oeis.org/A268176/a26817…
If coming up with questions was as hard as answering them, I'd feel a real sense of achievement now
and looking through the history, I see it's a classic CLP OEIS submission: I was fiddling around following an aesthetic, and the incredibly patient editors fixed it until it was presentable.