# A177656 (b-file synthesized from sequence entry)
0 1
1 1
2 70
3 34650
4 63063000
5 305540235000
6 3244063941457921
7 66318107269696031401
8 2379613992603610298990440
9 139801056431706089952638689800
10 12738104011291233355807195325583000
11 1723542569871737348415590682638868511200