# A136156 (b-file synthesized from sequence entry)
1 2
2 1
3 2
4 30
5 24
6 1
7 720
8 15
9 560
10 12
11 3628800
12 10
13 479001600
14 360
15 8
16 315
17 20922789888000
18 280
19 6402373705728000
20 6
21 240
22 1814400
23 1124000727777607680000
24 5
25 1596672
26 239500800
27 1478400
28 180
29 304888344611713860501504000000
30 4
31 265252859812191058636308480000000