# A009717 (b-file synthesized from sequence entry)
0 0
1 2
2 -4
3 -42
4 1336
5 -16726
6 -1194700
7 153304830
8 -10698400400
9 188012481362
10 107922523124588
11 -26275693823306202
12 3726087789656495272
13 -203071274271083537926
14 -64313415452872137435484