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A287352 as a simple table

na(n)
10
21
32
41
50
63
71
81
94
101
110
120
132
140
151
162
175
181
190
201
216
221
233
242
251
261
270
280
290
307
311
321
330
348
351
360
372
382
392
401
414
429
431
440
450
461
473
480
491
505
512
520
530
541
550
563
5710
581
591
601
6111
621
630
640
650
660
672
683
691
706
713
721
731
740
751
760
7712
781
797
802
814
821
830
840
852
8613

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