Cubes sandwiched between two numbers divisible by cubes > 1.

Terms

a(0) =4913a(1) =6859a(2) =166375a(3) =704969a(4) =2048383a(5) =4173281a(6) =7880599a(7) =12649337a(8) =15438249a(9) =15813251a(10) =19902511a(11) =28372625a(12) =34328125a(13) =40353607a(14) =53582633a(15) =71473375a(16) =90518849a(17) =115501303a(18) =141420761a(19) =174676879a(20) =208527857a(21) =251239591a(22) =294079625