# A012940 (b-file synthesized from sequence entry)
0 1
1 -4
2 8
3 -118
4 1912
5 53094
6 7487532
7 722809274
8 92118225104
9 13286089862286
10 2227449108601940
11 418148868660099330
12 84975662262230959480
13 17350569219593304893078
14 2817250972553523348038716
15 -252622788373980942633484214