The successive approximations up to 2^n for 2-adic integer 9^(1/3).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =9a(5) =25a(6) =25a(7) =25a(8) =25a(9) =281a(10) =281a(11) =281a(12) =281a(13) =4377a(14) =4377a(15) =20761a(16) =53529a(17) =53529a(18) =184601a(19) =446745a(20) =971033a(21) =2019609a(22) =4116761a(23) =8311065a(24) =8311065a(25) =25088281a(26) =58642713a(27) =125751577a(28) =259969305a(29) =259969305