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A247339 as a simple table

na(n)
11
22
31
44
51
66
71
82
91
1010
111
122
131
1414
151
1616
171
182
191
2020
211
222
231
2424
251
2626
271
282
291
304
311
322
331
345
351
3636
371
382
391
4040
411
422
431
445
451
4612
471
482
491
509
511
522
531
5454
551
5656
571
582
591
605
611
622
631
644
651
6666
671
682
691
705
711
722
731
7474
751
7623
771
782
791
806
811
822

[1,2,1,4,1,6,1,2,1,10,1,2,1,14,1,16,1,2,1,20,1,2,
 1,24,1,26,1,2,1,4,1,2,1,5,1,36,1,2,1,40,1,2,1,5,1,
 12,1,2,1,9,1,2,1,54,1,56,1,2,1,5,1,2,1,4,1,66,1,2,
 1,5,1,2,1,74,1,23,1,2,1,6,1,2]