# A209036 (b-file synthesized from sequence entry)
1 1
2 2
3 36
4 984
5 43800
6 2868480
7 259554960
8 31012490880
9 4728875800320
10 896042510496000
11 206523228759724800
12 56893926736333209600
13 18461230471787348044800
14 6968851610446509386803200