# A134529 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 -8
4 -80
5 1576
6 43056
7 -4001376
8 -539274240
9 230311875456
10 169101315797760
11 -333305191377561600
12 -1205460382028665927680
13 11038562078873652773729280
14 187384458453666330945406187520
15 -7882186562442515869956999642009600