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A289281 as a simple table

na(n)
20
31
40
52
61
70
82
92
101
110
123
132
142
151
160
172
183
193
202
211
220
233
243
252
263
272
281
290
304
313
323
334
343
352
361
370
382
394
404
412
424
433
442
451
460
473
485
493
503
515
524
533
542
551
560
574
583
594
604
612
625
634
643
652
661
670
684
694
704
715
723
736
745
754
763
772
781
790
805
815
825
833
844
852
866
875
884
893
902
911
920
932
943
956
964
975
983
997
1006
1015
1024
1033
1042
1051
1060
1073
1084
1097
1105
1116
1124
1132
1147
1156
1165
1174
1183
1192
1201
1210
1224
1235
1244
1255
1263
1275
1283
1298
1307
1316
1325
1334

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