# A259647 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 294
4 10424
5 635130
6 60535212
7 8378845734
8 1591416365520
9 397329777218034
10 126160335768212820
11 49635257475383554590
12 23694522124288261524984
13 13490127107426613875639850
14 9029074877857980800375629500
15 7018229497764789751949369835030