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A163605 as a simple table

na(n)
03
119
2121
3773
44947
531691
6203129
71302397
88352003
953564899
10343552921
112203536533
1214133648147
1390655141211
14581477504729
153729706799437
1623923085385603
17153447597468979
18984245010820921
196313155366422693

[3,19,121,773,4947,31691,203129,1302397,8352003,
 53564899,343552921,2203536533,14133648147,
 90655141211,581477504729,3729706799437,
 23923085385603,153447597468979,984245010820921,
 6313155366422693]