2911226domain: NAppears in sequencesSum of two consecutive squares of Lucas 3-step numbers (A001644).at n=11A106789Triangle T(n,k) read by rows of number of ways k domicules can be placed on an n X n square (n >= 0, 0 <= k <= floor(n^2/2)).at n=36A243424Number of ways 4 domicules can be placed on an n X n square.at n=6A243466