# A196867 (b-file synthesized from sequence entry)
0 1
1 4
2 40
3 -544
4 -14240
5 240512
6 7905536
7 -144081920
8 -5248825856
9 99459618816
10 3842132979712
11 -74547398033408
12 -2991092285194240
13 58965437254402048
14 2429529032173420544
15 -48445417122664284160
16 -2035619492638819483648
17 40941665274780773253120