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A278500 as a simple table

na(n)
11
22
30
42
50
61
70
80
90
101
110
123
130
140
150
161
170
181
190
200
210
221
230
240
250
260
270
281
290
301
310
320
330
340
350
363
370
380
390
401
410
421
430
440
450
461
470
480
490
500
510
521
530
540
550
560
570
581
590
602
610
620
630
640
650
661
670
680
690
701
710
722
730
740
750
760
770
781
790
800
810
821
830
840
850
860
870
881
890
900
910
920
930
940
950
961
970
980
990
1001
1010
1021
1030
1040
1050
1061
1070
1081
1090
1100
1110
1121
1130
1140
1150
1160
1170
1180
1190
1200

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