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A168347 as a simple table

na(n)
11
21
32
41
51
67
77
89
91
1018
1139
1268
1355
1410
151
161
1741
18181
19381
20691
21395
22215
2315
241
2588
26733
272048
285378
296512
305026
312816
32381
3356
341
351
36183
372703
3810921
3934826
4071590
4178590
4276146
4334853
4411123
451603
4621
471
48374
499355
5056668
51211865
52627434
531000219

[1,1,2,1,1,7,7,9,1,18,39,68,55,10,1,1,41,181,381,
 691,395,215,15,1,88,733,2048,5378,6512,5026,2816,
 381,56,1,1,183,2703,10921,34826,71590,78590,76146,
 34853,11123,1603,21,1,374,9355,56668,211865,
 627434,1000219]