# A358014 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 24
5 60
6 120
7 210
8 40656
9 363384
10 2117520
11 9980190
12 520250280
13 9496208436
14 109522054824
15 982593614730
16 28426015541280
17 762523155318000
18 14192088961120416
19 204618562767970614
20 4906638448867994040
21 154037798077765359660
22 4000484484370905087480