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A184343 as a simple table

na(n)
11
21
31
41
53
61
75
82
920
1045
11111
12998
13915
1415718
1514778
16191897
17241229
181937847
193273330
2017102347
2137393151

[1,1,1,1,3,1,5,2,20,45,111,998,915,15718,14778,
 191897,241229,1937847,3273330,17102347,37393151]