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A374220 as a simple table

na(n)
10
20
31
41
51
60
70
80
90
100
110
121
130
140
151
160
170
180
190
201
211
220
230
241
250
260
270
280
290
300
310
320
331
340
351
361
370
380
391
401
410
420
430
441
451
460
470
481
490
500
511
521
530
540
551
560
571
580
590
601
610
620
630
640
651
660
670
681
691
700
710
720
730
740
751
761
770
780
790
801
810
820
830
840
851
860
871
880
890
900
910
921
931
940
951
961
970
980
990
1001
1010
1020
1030
1040
1051
1060
1070
1081
1090
1100
1111
1120
1130
1140
1151
1161
1170
1180
1190
1201
1210
1220
1231
1241
1250

[0,0,1,1,1,0,0,0,0,0,0,1,0,0,1,0,0,0,0,1,1,0,0,1,
 0,0,0,0,0,0,0,0,1,0,1,1,0,0,1,1,0,0,0,1,1,0,0,1,0,
 0,1,1,0,0,1,0,1,0,0,1,0,0,0,0,1,0,0,1,1,0,0,0,0,0,
 1,1,0,0,0,1,0,0,0,0,1,0,1,0,0,0,0,1,1,0,1,1,0,0,0,
 1,0,0,0,0,1,0,0,1,0,0,1,0,0,0,1,1,0,0,0,1,0,0,1,1,
 0]