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A338690 as a simple table

na(n)
11
20
30
41
52
60
70
80
91
100
110
120
132
140
150
161
172
180
190
202
210
220
230
240
253
260
270
280
292
300
310
320
330
340
350
361
372
380
390
400
412
420
430
440
452
460
470
480
491
500
510
522
532
540
550
560
570
580
590
600
612
620
630
641
654
660
670
682
690
700
710
720
732
740
750
760
770
780
790
802
811
820
830
840
854
860
870
880
892
900
910
920
930
940
950
960
972
980
990
1003

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