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A179801 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
121
130
140
150
160
170
180
190
200
211
220
231
240
250
260
270
280
290
300
311
321
330
341
350
360
370
380
390
400
411
421
431
440
451
460
470
480
490
500
511
521
531
541
550
561
570
580
590
600
611
621
631
641
651
660
671
680
690
700
711
721
731
741
751
761
770
781
790
800
811
821
831
841
851
861
871
880
891
900
911
921
931
941
951
961
971
981
991
1000
1011

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