0                               1     --                        1
 1                              10    double                     2
 2                              11    add a_0                    3
 3                             100    add a_0                    4
 4                            1000    double                     8
 5                            1011    add a_2                   11
 6                           10110    double                    22
 7                          101100    double                    44
 8                         1011000    double                    88
 9                        10110000    double                   176
10                        10110011    add a_2                  179
11                       101100110    double                   358
12                      1011001100    double                   716
13                     10110011000    double                  1432
14                    101100110000    double                  2864
15                   1011001100000    double                  5728
16                  10110011000000    double                 11456
17                  10110011000011    add a_2                11459
18                 101100110000110    double                 22918
19                1011001100001100    double                 45836
20               10110011000011000    double                 91672
21              101100110000110000    double                183344
22              101100110000110011    add a_2               183347
23             1011001100001100110    double                366694
24            10110011000011001100    double                733388
25           101100110000110011000    double               1466776
26          1011001100001100110000    double               2933552
27         10110011000011001100000    double               5867104
28        101100110000110011000000    double              11734208
29       1011001100001100110000000    double              23468416
30      10110011000011001100000000    double              46936832
31     101100110000110011000000000    double              93873664
32     101100110000110011000001011    add a_5             93873675
33    1011001100001100110000010110    double             187747350
34   10110011000011001100000101100    double             375494700
35   10110011000011001100000101111    add a_2            375494703