# A002925 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 1
5 0
6 0
7 16
8 -18
9 0
10 252
11 -576
12 519
13 3264
14 -12468
15 20568
16 26662
17 -215568
18 528576
19 -164616
20 -3014889
21 10894920
22 -13796840
23 -29909616
24 190423962
25 -399739840
26 -22768752
27 2803402560
28 -8743064909