# A163176 (b-file synthesized from sequence entry)
1 1
2 1
3 4
4 2
5 48
6 16
7 576
8 144
9 3840
10 768
11 9216
12 1536
13 3870720
14 552960
15 442368
16 55296
17 26542080
18 2949120
19 2229534720
20 222953472
21 70071091200
22 6370099200
23 76441190400
24 6370099200
25 16694755983360
26 1284211998720
27 570760888320