# A205824 (b-file synthesized from sequence entry)
1 1
2 10
3 280
4 13860
5 1009008
6 98017920
7 11972188800
8 1766895530400
9 306261891936000
10 61040779261862400
11 13761921142674432000
12 3464298995338621440000
13 963455812901426718720000
14 293441113300834537758720000