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A290260 as a simple table

na(n)
10
21
30
40
51
61
70
80
90
102
111
120
131
141
150
160
170
181
190
201
212
222
231
240
250
262
271
280
291
301
310
320
330
341
350
360
371
381
390
401
411
423
432
441
452
462
471
480
490
501
510
521
532
542
551
560
570
582
591
600
611
621
630
640
650
661
670
680
691
701
710
720
730
742
751
760
771
781
790
801
811
822
831
842
853
863
872
881
891
903
912
921
932
942
951
960
970
981
990
1000
1011
1021
1030
1041
1051
1063
1072
1081
1092
1102
1111
1120
1130

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