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A231825 as a simple table

na(n)
121
22992
3393408
449913988
56320545103
6800089656653
7101271407955316
812818259615003968
91622444211916657853
10205357307411023046970
1125992645488143063760536
123289961325223483451122730

[21,2992,393408,49913988,6320545103,800089656653,
 101271407955316,12818259615003968,
 1622444211916657853,205357307411023046970,
 25992645488143063760536,3289961325223483451122730]