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A161668 as a simple table

na(n)
01
143
2945
314146
4162195
51518760
612093191
784189271
8522910058
92942607305
1015184988654
1172558839841
12323609385853
131356110885092
145369781181160
1520188204577529
1672364939854816
17248214470691451
18817302378367149

[1,43,945,14146,162195,1518760,12093191,84189271,
 522910058,2942607305,15184988654,72558839841,
 323609385853,1356110885092,5369781181160,
 20188204577529,72364939854816,248214470691451,
 817302378367149]