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A306012 as a simple table

na(n)
11
22
33
44
55
67
78
83
99
1011
111
1213
136
1416
1517
163
177
1819
1910
209
2123
2221
2325
2427
2512
2611
2729
2814
2931
3032
3113
3233
3337
347
3518
3641
374
3817
3943
403
4139
4247
4322
4445
4519
4649
4753
4824
4926
5051
5123
5255
5328
5459
5521
5661
575
5857
5964
6063
6167
6227
631
6471
652
6629
6773
683
6936
7069

[1,2,3,4,5,7,8,3,9,11,1,13,6,16,17,3,7,19,10,9,23,
 21,25,27,12,11,29,14,31,32,13,33,37,7,18,41,4,17,
 43,3,39,47,22,45,19,49,53,24,26,51,23,55,28,59,21,
 61,5,57,64,63,67,27,1,71,2,29,73,3,36,69]