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A257770 as a simple table

na(n)
00
10
21
30
42
50
63
70
84
90
105
110
126
130
147
150
168
170
189
190
201
212
223
234
245
256
267
278
289
290
301
312
323
334
345
356
367
378
389
390
402
413
425
436
448
459
460
471
484
495
508
519
523
534
548
559
562
573
588
599
601
612
628
639
640
651
668
679
680
698
709
718
729
730
742
754
766
778
780
791
803
814
826
837
849
850

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