# A187009 (b-file synthesized from sequence entry)
1 1
2 -1
3 2
4 -6
5 20
6 -80
7 348
8 -1778
9 9892
10 -64392
11 449596
12 -3609782
13 30152616
14 -284037468
15 2694480888
16 -28592860322
17 295151311376
18 -3440953545088
19 37165311149276
20 -471576198145144
21 5062381083026352
22 -71104461751595892