# A356578 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 15
4 92
5 1050
6 8514
7 147000
8 1546544
9 29673000
10 478186920
11 9011752200
12 178483287432
13 4205087686800
14 91775320005264
15 2290742704668600
16 63289842765692160
17 1696665419122968000
18 50287699532618564544
19 1549916411848463721600