# A371046 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 6
4 24
5 60
6 1560
7 25410
8 242256
9 3508344
10 85882320
11 1724406750
12 32784999720
13 839182482996
14 24162605028744
15 659439484706730
16 19415319297457440
17 658935736181053680
18 23245444335085544736
19 835819877947421773494
20 32462532011236141677240