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A131014 as a simple table

na(n)
14
261
3274
41764
513068
6109584
71026576
810628640
9120543840
101486442880
1119802759040
12283465647360
134339163001600
1470734282393600
151223405590579200
1622376988058521600
17431565146817638400
188752948036761600000
19186244810780170240000
204148476779335454720000

[4,61,274,1764,13068,109584,1026576,10628640,
 120543840,1486442880,19802759040,283465647360,
 4339163001600,70734282393600,1223405590579200,
 22376988058521600,431565146817638400,
 8752948036761600000,186244810780170240000,
 4148476779335454720000]