Integers whose double is a square and whose triple is a cube.

Terms

a(0) =0a(1) =72a(2) =4608a(3) =52488a(4) =294912a(5) =1125000a(6) =3359232a(7) =8470728a(8) =18874368a(9) =38263752a(10) =72000000a(11) =127552392a(12) =214990848a(13) =347530248a(14) =542126592a(15) =820125000a(16) =1207959552a(17) =1737904968a(18) =2448880128a(19) =3387303432a(20) =4608000000a(21) =6175160712a(22) =8163353088a(23) =10658584008a(24) =13759414272a(25) =17578125000