587041domain: NAppears in sequencesExpansion of e.g.f. 1/((1+LambertW(-x))*(1+x)).at n=7A277509Number of vertices formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square.at n=25A355839