a(n) = |1^3 - 2^3 + 3^3 - 4^3 + ... + (-1)^(n+1)*n^3|.

Terms

a(0) =0a(1) =1a(2) =7a(3) =20a(4) =44a(5) =81a(6) =135a(7) =208a(8) =304a(9) =425a(10) =575a(11) =756a(12) =972a(13) =1225a(14) =1519a(15) =1856a(16) =2240a(17) =2673a(18) =3159a(19) =3700a(20) =4300a(21) =4961a(22) =5687a(23) =6480a(24) =7344a(25) =8281a(26) =9295a(27) =10388a(28) =11564a(29) =12825