49398domain: NAppears in sequencesEight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + 3*x)/(1 - 3*x - 7*x^2).at n=7A179603Row sums of A329057.at n=6A329096Arises from enumeration of a certain class of zig-zag knight's paths on the square grid.at n=29A368377