# A048607 (b-file synthesized from sequence entry)
0 1
1 -1
2 5
3 -5
4 109
5 -497
6 127
7 -11569
8 312757
9 -1219255
10 165677473
11 -885730939
12 20163875141
13 -252312616027
14 9565074633871
15 -691138954263097
16 5061676927076641
17 -95993669516238563
18 1245671625068799013