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A275926 as a simple table

na(n)
10
20
30
40
51
61
70
80
90
100
110
121
130
140
150
160
170
181
190
200
210
220
230
240
250
260
270
280
291
301
311
320
330
340
350
361
371
380
390
400
410
421
431
440
450
460
470
480
491
500
510
520
530
540
550
561
570
580
590
600
610
621
630
640
650
660
670
680
690
700
710
720
731
741
750
760
770
780
790
801
810
820
830
840
850
861
871
880
890
900
910
920
931
940
950
960
970
980
991

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