n^3 times nearest integer square to n^3.

Terms

a(0) =0a(1) =1a(2) =72a(3) =675a(4) =4096a(5) =15125a(6) =48600a(7) =123823a(8) =270848a(9) =531441a(10) =1024000a(11) =1724976a(12) =3048192a(13) =4853173a(14) =7419776a(15) =11353500a(16) =16777216a(17) =24073700a(18) =33685632a(19) =47251651a(20) =63368000a(21) =85349376a(22) =112964632a(23) =147220700a(24) =192485376a(25) =244140625