# A357666 (b-file synthesized from sequence entry)
0 0
1 1
2 4
3 20
4 160
5 1872
6 25024
7 348224
8 5055488
9 78571776
10 1332573184
11 24695206912
12 493816963072
13 10492449771520
14 234399640633344
15 5480635606908928
16 134015043318054912
17 3427700843478056960
18 91642829715498336256
19 2556218693498006929408