# A331407 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 32
5 128
6 864
7 3456
8 7776
9 31104
10 279936
11 497664
12 1990656
13 4478976
14 17915904
15 62208000
16 97200000
17 559872000
18 874800000
19 1555200000
20 6220800000
21 13996800000
22 55987200000