# A176037 (b-file synthesized from sequence entry)
0 2
1 12
2 288
3 17280
4 2073600
5 435456000
6 146313216000
7 73741860864000
8 53094139822080000
9 52563198423859200000
10 69383421919494144000000
11 119061952013851951104000000
12 260031303198252661211136000000