# A107866 (b-file synthesized from sequence entry)
0 1
1 -1
2 -1
3 -7
4 -77
5 -1145
6 -21410
7 -481683
8 -12655196
9 -379998938
10 -12830421321
11 -480984691304
12 -19816691903510
13 -889846823832596
14 -43247136243424267
15 -2261480610502143020
16 -126596066994553497948
17 -7553154370244179931495
18 -478456478496821309024061