# A067655 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 3
5 15
6 45
7 315
8 315
9 2835
10 14175
11 155925
12 467775
13 6081075
14 3869775
15 638512875
16 638512875
17 10854718875
18 8881133625
19 1856156927625
20 9280784638125
21 194896477400625
22 2143861251406875
23 2595200462229375