# A297209 (b-file synthesized from sequence entry)
0 0
1 1
2 -3
3 9
4 -32
5 148
6 -853
7 6027
8 -49576
9 470624
10 -5005137
11 59454923
12 -774282632
13 11035740844
14 -169997137269
15 2826070412955
16 -50256453936368
17 954657085889760
18 -19247168446169665
19 411277539407862707
20 -9269937746437524256
21 220085825544691181500
22 -5483977295221312280757