# A012534 (b-file synthesized from sequence entry)
0 2
1 8
2 -40
3 -4352
4 -233312
5 -14783360
6 -1406171520
7 -215345283072
8 -48522307444224
9 -14515971445110784
10 -5456413300747012096
11 -2505550929805243777024
12 -1379341726073854089519104