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A042808 as a simple table

na(n)
030
131
261
3153
4214
5581
6795
71376
883355
984731
10168086
11420903
12588989
131598881
142187870
153786751
16229392930
17233179681
18462572611
191158324903
201620897514
214400119931
226021017445
2310421137376
24631289260005
25641710397381
261272999657386
273187709712153

[30,31,61,153,214,581,795,1376,83355,84731,168086,
 420903,588989,1598881,2187870,3786751,229392930,
 233179681,462572611,1158324903,1620897514,
 4400119931,6021017445,10421137376,631289260005,
 641710397381,1272999657386,3187709712153]