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A246690 as a simple table

na(n)
01
11
20
31
41
50
61
70
81
90
101
111
121
131
140
151
160
172
180
191
200
211
221
230
243
251
261
270
281
290
301
311
325
330
341
350
361
371
380
392
400
418
421
431
440
451
460
471
480
493
500
5113
520
531
540
551
560
571
581
591
604
611
6221
631
641
650
661
671
680
691
702
710
726
730
7434
750
761
770
781
791
802
810
821
833
840
859
860
8755
881
891
900

[1,1,0,1,1,0,1,0,1,0,1,1,1,1,0,1,0,2,0,1,0,1,1,0,
 3,1,1,0,1,0,1,1,5,0,1,0,1,1,0,2,0,8,1,1,0,1,0,1,0,
 3,0,13,0,1,0,1,0,1,1,1,4,1,21,1,1,0,1,1,0,1,2,0,6,
 0,34,0,1,0,1,1,2,0,1,3,0,9,0,55,1,1,0]