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A339221 as a simple table

na(n)
01
10
21
31
41
51
61
71
81
91
101
111
121
131
141
151
162
171
182
192
202
212
222
232
243
252
263
273
283
293
303
313
324
333
344
354
364
374
384
394
405
414
425
435
445
455
465
475
486
495
506
516
526
536
547
556
568
577
588
598
608
618
628
638
649
658
669
679
689
699
7010
719
7211
7310
7411
7511
7611
7711
7812
7911
8013
8113
8213
8314
8414
8514
8615
8714
8816
8915
9016
9116
9216
9316
9417
9516

[1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,2,2,2,2,2,
 3,2,3,3,3,3,3,3,4,3,4,4,4,4,4,4,5,4,5,5,5,5,5,5,6,
 5,6,6,6,6,7,6,8,7,8,8,8,8,8,8,9,8,9,9,9,9,10,9,11,
 10,11,11,11,11,12,11,13,13,13,14,14,14,15,14,16,
 15,16,16,16,16,17,16]