67331domain: NAppears in sequencesExpansion of -(2*x^3-x^2+x-1)/(x^4-3*x^3+3*x^2-3*x+1).at n=15A013326a(n) is the number of ways to partition an n X n X n cube into 4 noncongruent cuboids.at n=40A384311a(n) is the number of ways to partition an n X n X n cube into four noncongruent cuboids of different volumes.at n=40A385580