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A284394 as a simple table

na(n)
10
21
30
40
52
60
70
81
90
100
112
120
130
142
150
160
171
180
190
202
210
220
231
240
250
262
270
280
292
300
310
321
330
340
352
360
370
382
390
400
411
420
430
442
450
460
471
480
490
502
510
520
532
540
550
561
570
580
592
600
610
621
630
640
652
660
670
682
690
700
711
720
730
742
750
760
772
780
790
801
810
820
832
840
850
861

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