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A281871 as a simple table

na(n)
01
11
21
31
41
50
61
71
81
90
101
112
121
131
140
151
162
172
182
190
200
211
222
233
243
252
261
270
281
292
304
315
325
332
341
350
361
372
385
398
408
416
423
430
441
451
463
476
4811
4914
5013
517
524
531
540
551
563
577
5815
5923
6024
6119
6210
633
641
650
661
673
688
6920
7034
7143
7239
7325
7413
753
761
770
781
793
809
8126
8249
8371
8474
8560
8634
8714
885
890
900

[1,1,1,1,1,0,1,1,1,0,1,2,1,1,0,1,2,2,2,0,0,1,2,3,
 3,2,1,0,1,2,4,5,5,2,1,0,1,2,5,8,8,6,3,0,1,1,3,6,
 11,14,13,7,4,1,0,1,3,7,15,23,24,19,10,3,1,0,1,3,8,
 20,34,43,39,25,13,3,1,0,1,3,9,26,49,71,74,60,34,
 14,5,0,0]