# A096314 (b-file synthesized from sequence entry)
1 1
2 1
3 5
4 12
5 119
6 135
7 5039
8 20160
9 240219
10 1545075
11 39916799
12 88550154
13 6227020799
14 42798202447
15 698726730520
16 10461394944000
17 355687428095999
18 1375276302469251
19 121645100408831999
20 845066215769150100