# A091037 (b-file synthesized from sequence entry)
2 1
3 144
4 17856
5 2156544
6 259117056
7 31102009344
8 3732432224256
9 447896453382144
10 53747684481171456
11 6449724779548114944
12 773967036949154758656
13 92876045955579714207744