a(n) = n^3 - (n mod 2).

Terms

a(0) =0a(1) =8a(2) =26a(3) =64a(4) =124a(5) =216a(6) =342a(7) =512a(8) =728a(9) =1000a(10) =1330a(11) =1728a(12) =2196a(13) =2744a(14) =3374a(15) =4096a(16) =4912a(17) =5832a(18) =6858a(19) =8000a(20) =9260a(21) =10648a(22) =12166a(23) =13824a(24) =15624a(25) =17576a(26) =19682a(27) =21952a(28) =24388a(29) =27000