# A071769 (b-file synthesized from sequence entry)
1 0
2 -1
3 4
4 -12
5 -64
6 -208
7 1088
8 -960
9 -8192
10 -6400
11 58368
12 -27648
13 -344064
14 -151552
15 1982464
16 -638976
17 -10485760
18 -3211264
19 54788096
20 -13369344
21 -272629760
22 -63963136
23 1346371584
24 -264241152
25 -6442450944
26 -1224736768
27 30668750848