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A337246 as a simple table

na(n)
10
22
33
42
55
67
77
82
93
109
1111
127
1313
1411
1511
162
1717
187
1919
209
2113
2215
2323
247
255
2617
273
2811
2929
3017
3131
322
3317
3421
3517
367
3737
3823
3919
409
4141
4219
4343
4415
4511
4627
4747
487
497
509
5123
5217
5353
547
5521
5611
5725
5833
5959
6017
6161
6235
6313
642
6523
6623
6767
6821
6929
7023
7171
727
7373
7441
7511
7623
7725
7825
7979

[0,2,3,2,5,7,7,2,3,9,11,7,13,11,11,2,17,7,19,9,13,
 15,23,7,5,17,3,11,29,17,31,2,17,21,17,7,37,23,19,
 9,41,19,43,15,11,27,47,7,7,9,23,17,53,7,21,11,25,
 33,59,17,61,35,13,2,23,23,67,21,29,23,71,7,73,41,
 11,23,25,25,79]