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A214721 as a simple table

na(n)
11
22
31
44
51
66
71
83
91
1010
111
1212
131
1414
151
162
171
183
191
2020
211
2222
231
2424
251
2626
271
283
291
302
311
3232
331
3434
351
3636
371
383
391
407
411
4242
431
442
451
4646
471
483
491
5050
511
5252
531
5454
551
564
571
582
591
6060
611
627
631
6464
651
6666
671
683
691
7070
711
722
731
7474
751
7676
771
783
791
8080
811

[1,2,1,4,1,6,1,3,1,10,1,12,1,14,1,2,1,3,1,20,1,22,
 1,24,1,26,1,3,1,2,1,32,1,34,1,36,1,3,1,7,1,42,1,2,
 1,46,1,3,1,50,1,52,1,54,1,4,1,2,1,60,1,7,1,64,1,
 66,1,3,1,70,1,2,1,74,1,76,1,3,1,80,1]