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A253715 as a simple table

na(n)
11
22160
334417
4139317984
52220346081
68987960385360
7143243407002961
8579849276161764800
99241205157168647617
1037408396193312133889584
11596187109366334725327921
122413365271435489729590825120
1338462415164418513312636815521
14155695847083980788221510357869840

[1,2160,34417,139317984,2220346081,8987960385360,
 143243407002961,579849276161764800,
 9241205157168647617,37408396193312133889584,
 596187109366334725327921,
 2413365271435489729590825120,
 38462415164418513312636815521,
 155695847083980788221510357869840]