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A130638 as a simple table

na(n)
10
21
30
40
50
60
70
80
90
100
110
120
130
141
150
160
170
180
190
200
211
220
230
240
250
261
270
280
290
300
310
320
331
341
350
360
370
381
390
400
410
420
430
441
450
460
470
480
490
500
510
520
530
540
550
560
571
580
590
600
610
620
630
640
650
660
670
680
690
700
710
720
730
740
751
760
770
780
790
800
810
820
830
840
851
861
870
880
890
900
910
920
931
941
950
960
970
981
990
1000
1010
1020
1030
1041
1050

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