Continued fractions for the exercises in Written Assignment No. 1

1.  [ 0, 4, 1, 4 ]

2.  [ 8, 13717421 ]

3.  [  0, 19, 3, 1, 3, 1, 113, 3, 406, 1, 2,  1,
           5, 1, 1, 1, 1,   7, 5,  10, 3, 4 ]