# A372241 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 36
4 576
5 72000
6 15552000
7 5334336000
8 2731180032000
9 1991030243328000
10 19910302433280000000
11 291506737925652480000000
12 6044683717626329825280000000
13 172642211659125606139822080000000
14 6632223203096969285467405025280000000
15 335756299656784070076787379404800000000000