# A119696 (b-file synthesized from sequence entry)
0 0
1 2
2 96
3 5400
4 188160
5 6615000
6 210760704
7 6565110552
8 197880883200
9 5859173445840
10 170673897680000
11 4912438527364368
12 139967228091285504
13 3955257204911740000
14 110989637900511552000
15 3096031244768383500000