# A172391 (b-file synthesized from sequence entry)
0 1
1 8
2 12
3 0
4 28
5 0
6 264
7 0
8 3720
9 0
10 63840
11 0
12 1232432
13 0
14 25731216
15 0
16 568130552
17 0
18 13081215840
19 0
20 311178567648
21 0
22 7597974517056
23 0
24 189518147463232
25 0
26 4811962763222784
27 0
28 124028853694440640
29 0
30 3238304402221646880
31 0