# A085116 (b-file synthesized from sequence entry)
0 4
1 12
2 480
3 2880
4 171360
5 15079680
6 2979744768
7 256258050048
8 2206253681888256
9 32081134788337130496
10 3025251010540191405772800
11 60806680954426264344203059200
12 22247876027117358528051602802320179200