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A204146 as a simple table

na(n)
1689
23902
322262
4127022
5724154
64128422
723538722
8134209022
9765199994
104362829142
1124874945682
12141826072622
13808630145834
144610454909062
1526286795128642
16149875795721822
17854526159123674
184872133976736182

[689,3902,22262,127022,724154,4128422,23538722,
 134209022,765199994,4362829142,24874945682,
 141826072622,808630145834,4610454909062,
 26286795128642,149875795721822,854526159123674,
 4872133976736182]