# A371044 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 6
4 24
5 60
6 120
7 5250
8 80976
9 726264
10 4839120
11 86487390
12 2283242280
13 42585905076
14 590667519624
15 10115535833130
16 286758920451360
17 8128299117822960
18 186279550983756576
19 4123388294626654134
20 118916807955913504440
21 4102548791571529697580