Decimal expansion of cube root of 21.

Terms

a(0) =2a(1) =7a(2) =5a(3) =8a(4) =9a(5) =2a(6) =4a(7) =1a(8) =7a(9) =6a(10) =3a(11) =8a(12) =1a(13) =1a(14) =2a(15) =0a(16) =6a(17) =6a(18) =9a(19) =4a(20) =6a(21) =5a(22) =7a(23) =9a(24) =1a(25) =1a(26) =0a(27) =8a(28) =3a(29) =5