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A268507 as a simple table

na(n)
11
21
31
41
52
62
71
81
93
103
112
121
132
143
152
161
174
184
192
202
213
223
231
242
253
265
274
281
295
305
311
321
335
344
354
363
372
385
391
403
417
426
433
442
455
464
471
481
495
507
516
522
535
548
551
563
574
583
595
602
615
627
634
641
658
668
673
684
696
706
711
724
736
749
755
762
776
787
791
802

[1,1,1,1,2,2,1,1,3,3,2,1,2,3,2,1,4,4,2,2,3,3,1,2,
 3,5,4,1,5,5,1,1,5,4,4,3,2,5,1,3,7,6,3,2,5,4,1,1,5,
 7,6,2,5,8,1,3,4,3,5,2,5,7,4,1,8,8,3,4,6,6,1,4,6,9,
 5,2,6,7,1,2]