# A088109 (b-file synthesized from sequence entry)
1 1
2 3
3 15
4 105
5 2415
6 26565
7 1567335
8 2785154295
9 6918860803558935
10 24055444284403886996443725
11 332872543972802173225078010738842685950725
12 571002075998998180604720399522520480910497598676930064638396594614026468525