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A285203 as a simple table

na(n)
12
23
33
44
53
64
73
84
93
105
113
124
133
144
153
165
173
184
193
204
213
225
233
244
253
264
273
285
293
304
313
324
333
346
353
364
373
384
393
405
413
424
433
444
453
465
473
484
493
504
513
525
533
544
553
564
573
586
593
604
613
624
633
645
653
664
673
684
693
705
713
724
733
744
753
765
773
784
793
804
813
826
833
844
853
864
873
885

[2,3,3,4,3,4,3,4,3,5,3,4,3,4,3,5,3,4,3,4,3,5,3,4,
 3,4,3,5,3,4,3,4,3,6,3,4,3,4,3,5,3,4,3,4,3,5,3,4,3,
 4,3,5,3,4,3,4,3,6,3,4,3,4,3,5,3,4,3,4,3,5,3,4,3,4,
 3,5,3,4,3,4,3,6,3,4,3,4,3,5]