117759domain: NAppears in sequencesExpansion of (1-x)^(-1)/(1-2*x+2*x^2-2*x^3).at n=25A077858Diagonal of the triangle A354700.at n=29A354701a(n) is the number of distinct five-cuboid combinations that fill an n X n X n cube with cuboids of different volumes.at n=16A387040