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A239313 as a simple table

na(n)
10
20
31
41
52
60
73
83
94
100
111
125
135
140
156
160
170
187
197
203
218
220
230
241
259
269
270
280
2910
300
315
320
3311
3411
350
360
3712
380
390
403
4113
4213
437
440
451
4614
470
480
490
500
5115
5215
530
540
550
5616
570
589
595
600
6117
6217
630
640
650
6618
670
680
690
703
7119
7219
7311
740
750
761
7720
780
790
807
810
820

[0,0,1,1,2,0,3,3,4,0,1,5,5,0,6,0,0,7,7,3,8,0,0,1,
 9,9,0,0,10,0,5,0,11,11,0,0,12,0,0,3,13,13,7,0,1,
 14,0,0,0,0,15,15,0,0,0,16,0,9,5,0,17,17,0,0,0,18,
 0,0,0,3,19,19,11,0,0,1,20,0,0,7,0,0]