# A069052 (b-file synthesized from sequence entry)
1 1
2 32
3 7776
4 248832
5 777600000
6 259200000
7 4356374400000
8 139403980800000
9 101625502003200000
10 101625502003200000
11 16366888723117363200000
12 16366888723117363200000
13 6076911214672415134617600000