# A109963 (b-file synthesized from sequence entry)
0 1
1 -1
2 5
3 -27
4 171
5 -1178
6 8582
7 -65029
8 507317
9 -4047608
10 32874104
11 -270893586
12 2259210814
13 -19032956491
14 161735556091
15 -1384662302187
16 11931865642979
17 -103409449621325
18 900778907303037
19 -7882176975668156
20 69253864680597564
21 -610717827031587856