# A128056 (b-file synthesized from sequence entry)
0 1
1 -3
2 -6
3 28
4 56
5 -288
6 -576
7 3008
8 6016
9 -31488
10 -62976
11 329728
12 659456
13 -3452928
14 -6905856
15 36159488
16 72318976
17 -378667008
18 -757334016
19 3965452288
20 7930904576
21 -41526755328
22 -83053510656
23 434873827328