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A138886 as a simple table

na(n)
10
21
31
41
51
60
70
80
90
100
110
121
131
141
151
161
171
181
191
200
210
220
230
240
250
260
270
280
291
301
311
321
331
341
351
361
371
381
390
400
410
420
430
440
450
460
470
480
490
500
511
521
531
541
551
561
571
581
591
601
611
621
631
641
650
660
670
680
690
700
710
720
730
740
750
760
770
780
790

[0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,
 0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,
 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0]