1, 1, 1, 1, 1, 1, 1, 1, 1, ...
0, 1, 1, 1, 1, 1, 1, 1, 1, ...
0, 1, 2, 2, 2, 2, 2, 2, 2, ...
0, 1, 4, 5, 5, 5, 5, 5, 5, ...
0, 1, 10, 14, 15, 15, 15, 15, 15, ...
0, 1, 27, 47, 52, 53, 53, 53, 53, ...
0, 1, 83, 180, 210, 216, 217, 217, 217, ...
0, 1, 277, 773, 964, 1006, 1013, 1014, 1014, ...
0, 1, 1015, 3701, 4960, 5270, 5326, 5334, 5335, ...