Fractional part of 70^(1/3) = 1/9 + 1/99 + 1/13666 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 2, 5, 9, 17, 34, 68, 136, 273, ...
EXAMPLE
Cube root of 70 = 4.1212852998085568193774891173664133508105227070361...