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A209190 as a simple table

na(n)
11
22
33
42
55
62
77
82
93
101
1111
123
1331
1441
153
1661
1771
183
197
202
212
222
232
242
252
262
272
282
292
303
3113
3223
333
3443
3553
363
3773
3883
393
402
412
422
432
442
452
462
472
482
492
505
513
525
535
543
555
565
573
585
595
602
612
622
632
642
652
662
672
682
692
707
7117
723
7337
7447
753
7667
777
783
7997
802
812
822

[1,2,3,2,5,2,7,2,3,1,11,3,31,41,3,61,71,3,7,2,2,2,
 2,2,2,2,2,2,2,3,13,23,3,43,53,3,73,83,3,2,2,2,2,2,
 2,2,2,2,2,5,3,5,5,3,5,5,3,5,5,2,2,2,2,2,2,2,2,2,2,
 7,17,3,37,47,3,67,7,3,97,2,2,2]