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A374203 as a simple table

na(n)
20
30
40
50
60
70
81
91
101
110
120
130
141
150
160
170
181
190
200
210
223
230
240
250
260
273
280
290
300
310
320
330
340
350
361
370
380
390
400
410
420
430
440
451
460
470
480
490
500
510
521
530
543
550
560
570
581
590
600
610
621
631
641
651
660
670
681
690
700
710
721
730
740
750
761
770
780
790
801
813
820
830
840
851
860
870
880
890
901
912
921
930
940
951
960
970
980
991
1001
1010
1020
1030
1040
1050
1062
1070
1084

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