# A009311 (b-file synthesized from sequence entry)
0 0
1 1
2 -2
3 5
4 -19
5 104
6 -706
7 5662
8 -53082
9 570600
10 -6897016
11 92565296
12 -1366706848
13 22016867248
14 -384226243584
15 7220865546000
16 -145397565641296
17 3122890640031488
18 -71266398589322368
19 1722010388581604224