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A146383 as a simple table

na(n)
11
21
31
41
51
66
71
820
913
10138
1169
121792
13528
1426977
157033
16655185
17141904
1824548006
194322355
201409242126
21197401178
22123270232283
2313868215311
2416071746508178
251479290583806
263212023185510693

[1,1,1,1,1,6,1,20,13,138,69,1792,528,26977,7033,
 655185,141904,24548006,4322355,1409242126,
 197401178,123270232283,13868215311,16071746508178,
 1479290583806,3212023185510693]