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A260455 as a simple table

na(n)
10
21
30
40
51
60
71
80
91
100
110
121
130
140
151
160
170
181
190
201
210
221
230
240
251
260
271
280
291
300
310
321
330
341
350
361
370
380
391
400
410
421
430
440
451
460
471
480
491
500
510
521
530
540
551
560
570
581
590
601
610
621
630
640
651
660
670
681
690
700
711
720
731
740
751
760
770
781
790
801
810
821
830
840
851
860

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