Numbers n such that n and its digit reversal R(n) both are difference of positive cubes.

Terms

a(0) =7a(1) =19a(2) =91a(3) =127a(4) =721a(5) =919a(6) =999a(7) =1385a(8) =1727a(9) =3159a(10) =4376a(11) =5409a(12) =5831a(13) =6734a(14) =7271a(15) =9045a(16) =9513a(17) =10647a(18) =11824a(19) =12691a(20) =14491a(21) =15967a(22) =16939a(23) =19441a(24) =19621a(25) =25352a(26) =26973a(27) =27872a(28) =28737a(29) =29783