# A163085 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 12
4 72
5 2160
6 43200
7 6048000
8 423360000
9 266716800000
10 67212633600000
11 186313420339200000
12 172153600393420800000
13 2067909047925770649600000
14 7097063852481244869427200000