# A024332 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 -3
4 9
5 -30
6 107
7 -357
8 492
9 11520
10 -234440
11 3556520
12 -51373780
13 750804600
14 -11349186700
15 179062886100
16 -2959725476000
17 51309772966400
18 -932811192037200
19 17769951660870000
20 -354309379544446000
21 7384407204701604000
22 -160652936843547018000