# A082825 (b-file synthesized from sequence entry)
1 1
2 15
3 64
4 9009
5 274176
6 363398275
7 769824000
8 3527187689025
9 134022298009600
10 625158819238139991
11 4170102231859200000
12 155886628592967751604125
13 2269131065126220201984000
14 46517499310412424548979635625