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A111891 as a simple table

na(n)
10
21
31
41
51
61
71
81
91
101
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312
322
332
342
353
363
373
383
393
403
413
423
433
443
453
463
473
483
493
503
513
524
534
544
555
565
575
586
596
606
617
627
637
647
657
667
677
687
697
707
717
727
737
747
757
768
778
788
798
808
818
828
839
849
8510
8610
8710
8810
8910
9010
9110
9210
9310
9410
9510
9610
9710
9810

[0,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
 2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
 3,3,4,4,4,5,5,5,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
 7,8,8,8,8,8,8,8,9,9,10,10,10,10,10,10,10,10,10,10,
 10,10,10,10]