# A225190 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 20
4 64
5 1668
6 27712
7 355279
8 779264
9 170190707
10 6100448256
11 159424073982
12 2545667031040
13 239361355053790
14 812743283245056
15 58702956893404802
16 17949710147773530112
17 488189490082385976772
18 38768887410023899070464
19 313775221076492698014434
20 11531764219557396646723584