# A012647 (b-file synthesized from sequence entry)
0 0
1 2
2 0
3 -80
4 -1344
5 14848
6 -478720
7 233089792
8 -40950956032
9 10897158856704
10 -3658314845569024
11 1494490439452852224
12 -737151399778288664576
13 431277629004040408989696
14 -295401420454303808123568128