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A165694 as a simple table

na(n)
01
143
21806
375852
43185784
5133802928
65619722976
7236028364992
89913191329664
9416354035844985
1017486869505451444
11734448519227368659
1230846837807482620140
131295567187911461777284
1454413821892163447364896

[1,43,1806,75852,3185784,133802928,5619722976,
 236028364992,9913191329664,416354035844985,
 17486869505451444,734448519227368659,
 30846837807482620140,1295567187911461777284,
 54413821892163447364896]