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A284938 as a simple table

na(n)
10
20
31
40
50
61
70
80
91
101
110
120
130
142
151
160
170
180
191
203
211
220
230
240
250
263
274
281
290
300
310
320
331
346
355
361
370
380
390
400
410
424
4310
446
451
460
470
480
490
500
511
5210
5315
547
551
560
570
580
590
600
610
625
6320
6421
658
661
670
680
690
700
710
720
731
7415
7535
7628
779
781
790
800
810
820
830
840
850
866
8735
8856
8936
9010
911
920
930
940
950
960
970
980
991
10021
10170
10284
10345
10411
1051

[0,0,1,0,0,1,0,0,1,1,0,0,0,2,1,0,0,0,1,3,1,0,0,0,
 0,3,4,1,0,0,0,0,1,6,5,1,0,0,0,0,0,4,10,6,1,0,0,0,
 0,0,1,10,15,7,1,0,0,0,0,0,0,5,20,21,8,1,0,0,0,0,0,
 0,1,15,35,28,9,1,0,0,0,0,0,0,0,6,35,56,36,10,1,0,
 0,0,0,0,0,0,1,21,70,84,45,11,1]