# A075377 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 6
6 1
7 1
8 60
9 1
10 1
11 840
12 5040
13 1
14 10080
15 1
16 15120
17 1
18 1
19 332640
20 3326400
21 19958400
22 1
23 1
24 8648640
25 1
26 1816214400
27 1
28 259459200
29 36324288000
30 217945728000
31 1307674368000
32 1
33 1
34 8821612800
35 1482030950400
36 88921857024000
37 1
38 1