# A371067 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 6
4 48
5 180
6 2880
7 46200
8 483840
9 9087120
10 203212800
11 3752511840
12 89413632000
13 2510276408640
14 66301996400640
15 1982685238934400
16 67064515854336000
17 2274167610024710400
18 82881756045036748800
19 3301346557970183923200
20 135363022243685203968000