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A373558 as a simple table

na(n)
11
22
33
42
54
62
75
83
94
105
112
126
133
144
156
163
175
186
192
207
213
224
237
243
255
267
273
286
297
304
315
326
337
342
358
363
374
388
393
405
418
423
436
448
454
465
476
488
493
507
518
524
535
547
558
564
576
587
598
602
619
623
634
649
653
665
679
683
696
709
714
725
736
749
753
767
779
784
795
807
819
824
836
847
859
863
878
889

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