Taxicab numbers that are sandwiched between squarefree numbers.

Terms

a(0) =4104a(1) =32832a(2) =39312a(3) =110808a(4) =171288a(5) =262656a(6) =314496a(7) =373464a(8) =513000a(9) =886464a(10) =1016496a(11) =1075032a(12) =1195112a(13) =1331064a(14) =1370304a(15) =1407672a(16) =1609272a(17) =1728216a(18) =1734264a(19) =1774656a(20) =2101248a(21) =2515968a(22) =2864288a(23) =2987712a(24) =2991816a(25) =3511872a(26) =3512808a(27) =3551112a(28) =4104000a(29) =4342914