# A259212 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 6
5 72
6 1920
7 69120
8 3402000
9 218252160
10 17708544000
11 1773002649600
12 214725759494400
13 30941575378560000
14 5231894853375590400
15 1025881591718766182400
16 230901375630648602880000
17 59127083048250564931584000
18 17091634972762948947148800000