# A055871 (b-file synthesized from sequence entry)
0 1
1 0
2 -1
3 -2
4 -4
5 0
6 44
7 288
8 1276
9 0
10 -96976
11 -1707552
12 -19298224
13 0
14 10054374704
15 465280599168
16 13714167096256
17 0
18 -48973290700730176
19 -5936600776414758912
20 -457851294761126415424
21 0
22 11206368290573330143917824
23 3556757207429750327041640448