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A180997 as a simple table

na(n)
12
21
31
40
52
60
70
81
91
100
110
120
133
140
150
160
170
182
192
200
210
220
230
240
257
260
270
280
290
300
310
325
335
340
350
360
370
380
390
400
4126
420
430
440
450
460
470
480
490
5021
5121
520
530
540
550
560
570
580
590
600
61145
620
630
640
650
660
670
680
690
700
710
72124
73124
740
750
760
770
780
790
800
810
820
830
840
851269
860
870
880
890
900
910
920
930
940
950
960
970
981145

[2,1,1,0,2,0,0,1,1,0,0,0,3,0,0,0,0,2,2,0,0,0,0,0,
 7,0,0,0,0,0,0,5,5,0,0,0,0,0,0,0,26,0,0,0,0,0,0,0,
 0,21,21,0,0,0,0,0,0,0,0,0,145,0,0,0,0,0,0,0,0,0,0,
 124,124,0,0,0,0,0,0,0,0,0,0,0,1269,0,0,0,0,0,0,0,
 0,0,0,0,0,1145]