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A239304 as a simple table

na(n)
11
21
32
43
51
62
74
82
91
103
112
125
134
141
153
162
175
186
193
201
214
226
232
243
257
265
271
284
297
303
312
326
338
344
351
365
373
388
397
402
414
429
436
441
455
463
478
489
494
502
517
5210
535
541
556
569
573
584
5910
608
612
625
6311
647
651
666
6710
684
693
709

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