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A337259 as a simple table

na(n)
11
22
31
41
53
61
72
82
91
101
111
121
134
141
153
162
172
183
191
201
211
222
231
242
251
262
271
281
291
301
311
321
335
341
354
362
373
383
392
404
411
421
431
443
451
462
472
482
491
502
511
523
531
542
552
561
573
581
591
601
611
621
632
641
651
662
671
681
692
701
711
722
731
741
751
761
771
781
791
801

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