# A067001 (b-file synthesized from sequence entry)
0 1
1 4
2 6
3 24
4 60
5 42
6 160
7 560
8 688
9 308
10 1120
11 5040
12 8760
13 7080
14 2310
15 8064
16 44352
17 99456
18 114576
19 68712
20 17556
21 59136
22 384384
23 1055040
24 1572480
25 1351840
26 642824
27 134596
28 439296
29 3294720
30 10695168
31 19536000
32 21778560
33 14912064
34 5864640
35 1038312