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A201628 as a simple table

na(n)
01
11
24
331
4360
55601
6109568
72586151
871555200
92271961825
1081441188352
113253620672303
12143361363439616
136907049546879041
14361245668908466176
1520383791705206338807
161234336634416972726272
1779843983527411321710401
185494767253686351671459840
19400863405346004202504321343

[1,1,4,31,360,5601,109568,2586151,71555200,
 2271961825,81441188352,3253620672303,
 143361363439616,6907049546879041,
 361245668908466176,20383791705206338807,
 1234336634416972726272,79843983527411321710401,
 5494767253686351671459840,
 400863405346004202504321343]