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A183939 as a simple table

na(n)
11
21
39
433
5321
61411
710613
870449
9534153
103908739
1131172293
12247959153
132040991681
1416818777105
15139873091535
161164007471357
179753589044027
1882147216112609
19696523301660651
205930891437147689
2150682977439086169

[1,1,9,33,321,1411,10613,70449,534153,3908739,
 31172293,247959153,2040991681,16818777105,
 139873091535,1164007471357,9753589044027,
 82147216112609,696523301660651,5930891437147689,
 50682977439086169]