# A012651 (b-file synthesized from sequence entry)
0 0
1 0
2 2
3 -3
4 0
5 -10
6 280
7 -2016
8 7728
9 -50184
10 1167808
11 -18442600
12 185678240
13 -1830386064
14 35948019952
15 -830271781080
16 14637146499584
17 -224802165350848
18 4566858920948736
19 -123373361063129472