# A358013 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 6
4 12
5 20
6 750
7 5082
8 23576
9 453672
10 5755770
11 50894030
12 841270452
13 14694142476
14 201442729670
15 3552604015170
16 73814245552560
17 1369932831933392
18 27860865121662066
19 655240785723048726
20 15052226249248287500
21 357713461766745539700
22 9416426612423343023742