# A009206 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 3
4 0
5 -15
6 -48
7 -21
8 448
9 1953
10 640
11 -32461
12 -152064
13 77649
14 4331264
15 18557595
16 -46686208
17 -894805183
18 -2948087808
19 21405607651
20 254321049600
21 421226202033
22 -10904188190720
23 -90171090228021
24 96102216892416
25 6418365899545825