# A272180 (b-file synthesized from sequence entry)
0 0
1 2
2 120
3 11880
4 1860480
5 427518000
6 135970773120
7 57274321104000
8 30885807297945600
9 20759078324729606400
10 17018214378110225280000
11 16716468557742686853120000
12 19383353274717848149493760000
13 26198415087179810897268887040000
14 40828604361516687201839617904640000