# A337443 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 -1
4 -4
5 -5
6 -20
7 9
8 -208
9 855
10 -6180
11 41549
12 -321792
13 2651155
14 -23664420
15 225865769
16 -2301032256
17 24901626095
18 -285356879940
19 3451591584869
20 -43947119045600
21 587529302036875
22 -8228722825167940
23 120487046847246049
24 -1840906518665985824