# A332467 (b-file synthesized from sequence entry)
1 1
2 1
3 5
4 18
5 119
6 611
7 5039
8 37800
9 361200
10 3515149
11 39916799
12 471148524
13 6227020799
14 86497207369
15 1307505443245
16 20841060240000
17 355687428095999
18 6389731861649136
19 121645100408831999
20 2430526115576719732
21 51090759661943327041
22 1123451899297246814569