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A165902 as a simple table

na(n)
00
11
21
32
45
523
6158
72021
840415
91513724
1089901329
1110021444493
121779549303200
13593535825170357
14315835356239140757
15315745107820598835194
16503859317773076207957705
171510702921925354866376968691
187231341194731242966764145947126

[0,1,1,2,5,23,158,2021,40415,1513724,89901329,
 10021444493,1779549303200,593535825170357,
 315835356239140757,315745107820598835194,
 503859317773076207957705,
 1510702921925354866376968691,
 7231341194731242966764145947126]