# A013157 (b-file synthesized from sequence entry)
0 0
1 2
2 -1
3 12
4 -30
5 526
6 -3135
7 65912
8 -693868
9 16780042
10 -263534805
11 7241447268
12 -153049925754
13 4746451931334
14 -126285481689003
15 4393248761465712
16 -140634651688634520
17 5453436399167044242
18 -203461284207097440873