The successive approximations up to 2^n for 2-adic integer 3^(1/3).

Terms

a(0) =0a(1) =1a(2) =3a(3) =3a(4) =11a(5) =27a(6) =59a(7) =123a(8) =123a(9) =379a(10) =379a(11) =379a(12) =379a(13) =4475a(14) =12667a(15) =29051a(16) =61819a(17) =127355a(18) =127355a(19) =127355a(20) =127355a(21) =127355a(22) =2224507a(23) =2224507a(24) =2224507a(25) =19001723a(26) =52556155a(27) =119665019a(28) =253882747a(29) =253882747