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A272180 as a simple table

na(n)
00
12
2120
311880
41860480
5427518000
6135970773120
757274321104000
830885807297945600
920759078324729606400
1017018214378110225280000
1116716468557742686853120000
1219383353274717848149493760000
1326198415087179810897268887040000
1440828604361516687201839617904640000

[0,2,120,11880,1860480,427518000,135970773120,
 57274321104000,30885807297945600,
 20759078324729606400,17018214378110225280000,
 16716468557742686853120000,
 19383353274717848149493760000,
 26198415087179810897268887040000,
 40828604361516687201839617904640000]