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A139764 as a simple table

na(n)
11
22
33
41
55
61
72
88
91
102
113
121
1313
141
152
163
171
185
191
202
2121
221
232
243
251
265
271
282
298
301
312
323
331
3434
351
362
373
381
395
401
412
428
431
442
453
461
4713
481
492
503
511
525
531
542
5555
561
572
583
591
605
611
622
638
641
652
663
671
6813
691
702
713
721
735
741
752
7621
771
782
793
801
815
821
832
848
851
862
873
881
8989

[1,2,3,1,5,1,2,8,1,2,3,1,13,1,2,3,1,5,1,2,21,1,2,
 3,1,5,1,2,8,1,2,3,1,34,1,2,3,1,5,1,2,8,1,2,3,1,13,
 1,2,3,1,5,1,2,55,1,2,3,1,5,1,2,8,1,2,3,1,13,1,2,3,
 1,5,1,2,21,1,2,3,1,5,1,2,8,1,2,3,1,89]