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A319907 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
152
161
171
182
191
202
212
221
231
242
252
261
272
282
291
304
311
322
332
341
352
364
371
381
392
404
411
424
431
442
454
461
471
484
492
503
512
522
531
545
552
564
572
581
591
605
611
621
634
644
652
664
671
682
692
704
711
725
731
741
756
762
772
784
791
805
814
821
831
847
852
861
872

[1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,2,2,1,1,2,
 2,1,2,2,1,4,1,2,2,1,2,4,1,1,2,4,1,4,1,2,4,1,1,4,2,
 3,2,2,1,5,2,4,2,1,1,5,1,1,4,4,2,4,1,2,2,4,1,5,1,1,
 6,2,2,4,1,5,4,1,1,7,2,1,2]