Squares expressible as the sum of two positive cubes in at least one way.

Terms

a(0) =9a(1) =16a(2) =576a(3) =1024a(4) =6561a(5) =9604a(6) =11664a(7) =28224a(8) =36864a(9) =51984a(10) =65536a(11) =97344a(12) =140625a(13) =250000a(14) =275625a(15) =345744a(16) =419904a(17) =450241a(18) =614656a(19) =717409a(20) =746496a(21) =1028196a(22) =1058841a(23) =1399489a(24) =1500625a(25) =1590121a(26) =1750329a(27) =1806336a(28) =1882384a(29) =2359296