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A144277 as a simple table

na(n)
01
12
214
3100
41140
514880
6249280
74801280
8108574400
92767072000
1079286592000
112508856627200
1287115395136000
133287694620672000
14134073047499776000
155872147278807040000
16274939690654024704000
1713701683362561818624000
18724128149433185136640000

[1,2,14,100,1140,14880,249280,4801280,108574400,
 2767072000,79286592000,2508856627200,
 87115395136000,3287694620672000,
 134073047499776000,5872147278807040000,
 274939690654024704000,13701683362561818624000,
 724128149433185136640000]