Volume of the 3-dimensional box of sides of length equal to consecutive Padovan numbers (A000931). These boxes form a spiral in three dimensions similar to the spiral of Fibonacci boxes in two dimensions.

A100538

Volume of the 3-dimensional box of sides of length equal to consecutive Padovan numbers (A000931). These boxes form a spiral in three dimensions similar to the spiral of Fibonacci boxes in two dimensions.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =12a(4) =24a(5) =60a(6) =140a(7) =315a(8) =756a(9) =1728a(10) =4032a(11) =9408a(12) =21756a(13) =50764a(14) =117845a(15) =273910a(16) =637260a(17) =1480404a(18) =3442800a(19) =8003000a(20) =18603000a(21) =43251975a(22) =100540440a(23) =233735040a(24) =543371136a(25) =1263161472a(26) =2936540824a(27) =6826574552a(28) =15869878969a(29) =36893076570

External references