# enum_prepend: basis 2341 2413 3142; N = 16
# n count sum_indecomposable skew_indecomposable
1 1 1 1
2 2 1 1
3 6 3 3
4 21 10 11
5 77 34 43
6 290 120 170
7 1118 440 678
8 4398 1665 2733
9 17595 6460 11135
10 71385 25570 45815
11 293042 102868 190174
12 1215035 419418 795617
13 5081259 1729346 3351913
14 21408350 7198540 14209810
15 90786332 30209860 60576472
16 387212538 127680421 259532117
# cpu seconds: 164.3
