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A243224 as a simple table

na(n)
10
20
31
40
50
61
70
80
91
101
110
120
130
141
151
160
170
181
190
201
211
220
230
240
251
260
271
281
290
301
310
320
331
340
351
361
370
380
391
400
410
421
430
441
452
460
470
480
491
500
510
521
530
541
551
561
570
580
590
601
610
620
632
640
651
661
670
681
690
700
710
721
730
740
751
761
771
781
790
800
811
820
830
841
851
860
870

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