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A162781 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
130
141
151
161
172
181
191
201
211
221
231
240
251
260
271
281
291
301
312
321
331
341
351
361
371
381
390
400
410
421
431
440
450
461
471
481
491
501
511
521
531
541
551
561
572
582
592
602
612
621
631
641
651
662
671
681
691
701
711
721
730
740
750
760
770
780
790
800
810
820
830
840
850
860
87-1

[0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,2,1,1,1,1,1,1,0,
 1,0,1,1,1,1,2,1,1,1,1,1,1,1,0,0,0,1,1,0,0,1,1,1,1,
 1,1,1,1,1,1,1,2,2,2,2,2,1,1,1,1,2,1,1,1,1,1,1,0,0,
 0,0,0,0,0,0,0,0,0,0,0,0,-1]