# A107089 (b-file synthesized from sequence entry)
0 1
1 1
2 -4
3 23
4 -150
5 1054
6 -7761
7 58998
8 -459085
9 3636389
10 -29209558
11 237295537
12 -1945823646
13 16081045446
14 -133787515943
15 1119454523221
16 -9413778489629
17 79510460561765
18 -674169212593940
19 5736078315701995
20 -48956250060321142
21 419002149097227663