# A099800 (b-file synthesized from sequence entry)
0 2
1 30
2 2310
3 510510
4 223092870
5 200560490130
6 304250263527210
7 614889782588491410
8 1922760350154212639070
9 7858321551080267055879090
10 40729680599249024150621323470
11 267064515689275851355624017992790