a(n) = 2*n^5 - floor(2^(1/5)*n)^5.

Terms

a(0) =0a(1) =1a(2) =32a(3) =243a(4) =1024a(5) =3125a(6) =7776a(7) =846a(8) =6487a(9) =18098a(10) =38949a(11) =73270a(12) =126371a(13) =204762a(14) =27072a(15) =98893a(16) =207584a(17) =363615a(18) =579136a(19) =868097a(20) =1246368a(21) =205578a(22) =541639a(23) =991310a(24) =1576341a(25) =2320882a(26) =3251603a(27) =68663a(28) =866304a(29) =1886905