# A013444 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 -160
4 1792
5 -484224
6 38725632
7 -8292976640
8 1743232565248
9 -521161362997248
10 188842450602393600
11 -83511992640895975424
12 44545415648776825077760
13 -27875257165637958804439040