# A173296 (b-file synthesized from sequence entry)
0 1
1 -4
2 28
3 -96
4 1328
5 -4672
6 33472
7 -121856
8 3597056
9 -13417472
10 33655808
11 -127508480
12 5829259264
13 -22308732928
14 171393728512
15 -660468137984
16 40831182635008
17 -22589996269568
18 175323994652672
19 -681560447647744