83386domain: NAppears in sequencesa(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=1.at n=21A022311a(n) is the number of distinct five-cuboid combinations filling n X n X n cube without allowing a cut spanning through the full cube in any of filling positions.at n=34A384743