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A280287 as a simple table

na(n)
01
10
20
30
40
50
60
70
80
91
100
110
120
130
140
151
160
170
180
190
200
211
220
230
241
251
260
271
280
290
301
310
320
331
341
351
362
370
380
391
401
410
422
430
441
452
461
470
483
492
501
512
521
530
543
552
561
573
582
591
605
612
621
634
643
652
664
672
681
696
704
712
726
734
743
757
764
773
786
795
804
819
825
834
8410
858
864
8710
886
896
9012
919
925
9313
949
958
9614
9711
987
9917
10013
1019
10216
10312
10411
10521

[1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,
 1,1,0,1,0,0,1,0,0,1,1,1,2,0,0,1,1,0,2,0,1,2,1,0,3,
 2,1,2,1,0,3,2,1,3,2,1,5,2,1,4,3,2,4,2,1,6,4,2,6,4,
 3,7,4,3,6,5,4,9,5,4,10,8,4,10,6,6,12,9,5,13,9,8,
 14,11,7,17,13,9,16,12,11,21]