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A375400 as a simple table

na(n)
11
22
33
44
55
62
77
88
99
102
1111
124
1313
142
153
1616
1717
186
1919
204
213
222
2323
248
2525
262
2727
284
2929
302
3131
3232
333
342
355
3612
3737
382
393
408
4141
422
4343
444
459
462
4747
4816
4949
5010
513
524
5353
5418
555
568
573
582
5959
604
6161
622
639
6464
655
662
6767
684
693
702
7171
7224
7373
742
7515
764
777

[1,2,3,4,5,2,7,8,9,2,11,4,13,2,3,16,17,6,19,4,3,2,
 23,8,25,2,27,4,29,2,31,32,3,2,5,12,37,2,3,8,41,2,
 43,4,9,2,47,16,49,10,3,4,53,18,5,8,3,2,59,4,61,2,
 9,64,5,2,67,4,3,2,71,24,73,2,15,4,7]