# A051106 (b-file synthesized from sequence entry)
2 1
3 3
4 14
5 105
6 1287
7 26026
8 873392
9 48825972
10 4559177300
11 712438499850
12 186574469114250
13 81973527087903750
14 60475684628083567500
15 74966560165861256115000
16 156232609877290216839177600