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A299972 as a simple table

na(n)
11
211
39
43
517
64
78
812
910
102
1118
125
137
1413
1514
166
1715
1827
1925
2037
2135
2247
2345
2457
2555
2665
2756
2816
2926
3036
3146
3266
3354
3428
3524
3638
3734
3848
3944
4058
4162
4220
4322
4430
4532
4640
4742
4850
4952
5060
5161
5221
5331
5441
5551
5669
5723
5819
5933
6029
6143
6239
6353
6449
6563
6659
6764
6868

[1,11,9,3,17,4,8,12,10,2,18,5,7,13,14,6,15,27,25,
 37,35,47,45,57,55,65,56,16,26,36,46,66,54,28,24,
 38,34,48,44,58,62,20,22,30,32,40,42,50,52,60,61,
 21,31,41,51,69,23,19,33,29,43,39,53,49,63,59,64,
 68]