# A190903 (b-file synthesized from sequence entry)
0 1
1 1
2 10
3 162
4 280
5 12320
6 524880
7 1106560
8 96342400
9 7142567040
10 17041024000
11 2324549427200
12 254561089305600
13 664565853952000
14 126757680265216000
15 18763697892715776000
16 52580450364682240000
17 13106744139423334400000
18 2480410751833883860992000