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A373973 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
100
110
120
130
140
150
160
170
181
190
200
210
220
230
240
250
260
271
281
290
300
310
320
330
340
351
361
370
380
390
400
410
420
430
440
451
460
470
480
490
500
510
520
530
541
550
561
570
580
590
600
610
620
631
640
651
660
670
680
690
701
710
721
730
740
750
760
770
780
790
800
811
820
830
841
850
860
870
880
890
901
911
920
930
940
950
960
970
980
991
1000
1010
1020
1030
1040
1051
1060
1070
1081
1090
1100
1110
1121
1130
1140
1150
1160
1171
1180
1190
1200
1210
1220
1230
1240
1250
1261

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