# A109518 (b-file synthesized from sequence entry)
1 1
2 3
3 38
4 783
5 22480
6 828000
7 37231704
8 1977187485
9 121098539008
10 8403438270285
11 651608685100000
12 55835951178466800
13 5239593453691293696
14 534383614812622168191
15 58857325474654519917440