# A332466 (b-file synthesized from sequence entry)
1 1
2 1
3 5
4 12
5 119
6 241
7 5039
8 20160
9 302400
10 1784161
11 39916799
12 160332480
13 6227020799
14 43571848321
15 1078831353601
16 10461394944000
17 355687428095999
18 2143016754278400
19 121645100408831999
20 1196177491129420800
21 42565648051390464001
22 562000335730215782401