# A353452 (b-file synthesized from sequence entry)
0 1
1 0
2 -1
3 0
4 1
5 -4
6 12
7 64
8 -172
9 -1348
10 3456
11 34240
12 -87084
13 370640
14 -872336
15 -22639616
16 52307088
17 -181323568
18 399580288
19 23627011200
20 -51305628400
21 -686160247552
22 1545932859328
23 68098264912128
24 -155370174372864
25 6326621032802304
26 -13829529077133312
27 -1087288396552040448