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A050317 as a simple table

na(n)
21
31
41
51
61
71
81
91
101
111
121
130
141
152
161
170
181
190
201
211
222
230
241
251
260
271
281
290
303
310
321
331
340
351
361
370
380
390
401
410
422
430
442
452
460
470
481
491
501
510
520
530
541
551
562
570
580
590
603
610
620
631
641
650
662
670
680
690
701
710
721
730
740
752
760
772
780
790
801
811
820
830
842
850
860
870
882
890
903
910
920
930
940
950
961
970
981
991
1001
1011
1020
1030

[1,1,1,1,1,1,1,1,1,1,1,0,1,2,1,0,1,0,1,1,2,0,1,1,
 0,1,1,0,3,0,1,1,0,1,1,0,0,0,1,0,2,0,2,2,0,0,1,1,1,
 0,0,0,1,1,2,0,0,0,3,0,0,1,1,0,2,0,0,0,1,0,1,0,0,2,
 0,2,0,0,1,1,0,0,2,0,0,0,2,0,3,0,0,0,0,0,1,0,1,1,1,
 1,0,0]