# A220893 (b-file synthesized from sequence entry)
0 1
1 14
2 105
3 560
4 2296
5 6880
6 8904
7 -62320
8 -641704
9 -3698240
10 -15975896
11 -51517200
12 -89612104
13 292372640
14 3914285704
15 24216707920
16 110047971096
17 378638107520
18 797868873704
19 -1090920314960
20 -23361420852104
21 -156886807005600
22 -750668428691896
23 -2739638121913840
24 -6634132579281704