# A057668 (b-file synthesized from sequence entry)
7 1
8 988
9 549102
10 226064280
11 76785889587
12 22762819040676
13 6092115565691584
14 1505097773271664000
15 348617485585838373333
16 76564317282173987801964
17 16080209472530744351164146
18 3250906483045575317042337960
19 635954979082842132795003641239