# A013024 (b-file synthesized from sequence entry)
0 1
1 0
2 -4
3 6
4 53
5 -310
6 -1084
7 21777
8 -16167
9 -2030292
10 13363866
11 218310675
12 -3848323263
13 -17777649162
14 1083429365196
15 -4100141609445
16 -313461156294543
17 4496165231894296
18 83761047906347382