# A371227 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 3
4 56
5 390
6 6384
7 92400
8 1812768
9 38565072
10 949927680
11 25934040000
12 783458550720
13 25909868761920
14 930720395219328
15 36108805836317760
16 1504050682102456320
17 66964478742976711680
18 3173178938051223889920
19 159461567895099436047360