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A218218 as a simple table

na(n)
01
10
20
30
41
50
60
71
80
90
100
111
120
130
140
150
161
171
180
190
200
210
221
231
240
250
260
270
280
291
302
310
320
330
340
350
360
371
382
390
400
410
420
430
440
450
461
473
481
490
500
510
520
530
540
550
561
573
581
590
600
610
620
630
640
650
660
671
684
692
700
710
720
730
740
750
760
770
780
791
804
813
820
830
840
850
860
870
880
890
900
910
921
935
944
950
960
970
980
990
1000
1010
1020
1030
1040

[1,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0,1,1,0,0,0,0,1,1,
 0,0,0,0,0,1,2,0,0,0,0,0,0,1,2,0,0,0,0,0,0,0,1,3,1,
 0,0,0,0,0,0,0,1,3,1,0,0,0,0,0,0,0,0,1,4,2,0,0,0,0,
 0,0,0,0,0,1,4,3,0,0,0,0,0,0,0,0,0,0,1,5,4,0,0,0,0,
 0,0,0,0,0,0]