# A180709 (b-file synthesized from sequence entry)
1 1
2 3
3 13
4 98
5 1026
6 16940
7 318402
8 8751951
9 138772480
10 4323245864
11 120795955200
12 5325759445800
13 253615827548160
14 17175333492928512
15 1074413211620474880
16 76931332113306746880
17 5820049307236627906560
18 433263727052606574415872