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A309061 as a simple table

na(n)
10
20
31
40
50
60
71
80
90
101
111
121
130
141
151
160
172
180
191
200
210
220
231
240
250
261
271
281
290
301
311
320
330
340
351
360
370
380
391
401
410
421
431
441
450
461
471
481
490
500
511
520
530
540
551
561
570
581
591
601
610
621
631
640
650
660
671
682
692
700
711
720
730
741
751
761
772
781
791
800
810
822
831
840
850
860
871
880
890
901
911
921
930
941
951
960
972

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