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A194868 as a simple table

na(n)
11
22
31
42
51
63
72
84
91
103
115
122
134
141
153
165
172
184
191
206
213
225
232
247
254
261
276
283
298
305
312
327
334
341
356
363
378
385
392
407
414
421
439
446
453
468
475
482
4910
507
514
521
539
546
553
568
575
582
5910
607
614
621
639
646
653
6611
678
685
692
7010
717
724
7312
741
759
766
773
7811
798
805
8113
822
8310
847
854
8612
871
889
896
903
9111
928
935
9413

[1,2,1,2,1,3,2,4,1,3,5,2,4,1,3,5,2,4,1,6,3,5,2,7,
 4,1,6,3,8,5,2,7,4,1,6,3,8,5,2,7,4,1,9,6,3,8,5,2,
 10,7,4,1,9,6,3,8,5,2,10,7,4,1,9,6,3,11,8,5,2,10,7,
 4,12,1,9,6,3,11,8,5,13,2,10,7,4,12,1,9,6,3,11,8,5,
 13]