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A219966 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
101
110
121
131
141
151
161
172
182
191
201
212
222
231
243
252
262
273
282
293
303
312
321
334
343
351
364
373
381
394
402
413
423
432
442
454
463
472
484
492
502
515
523
534
545
552
561
575
583
592
604
611
621
635
644
654
664
673
682
695
703
712
724
733
744
755
763
774
786
793
803
816
823
833
848
855
862
876
883
894
906
912
922
939
945
953
965
974
982
996
1004

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