# A100101 (b-file synthesized from sequence entry)
0 1
1 2
2 45
3 3045
4 434700
5 109596375
6 43800340815
7 25797179878470
8 21243510135522675
9 23503974546075598575
10 33865310276598741840900
11 61964234361152712204340725
12 141027420945032510510113517025