login

A011688 as a simple table

na(n)
00
10
20
30
40
50
61
70
80
91
101
111
121
131
141
151
160
170
180
191
200
211
220
231
240
251
261
271
281
290
300
311
321
330
340
351
360
371
380
390
400
411
420
430
440
451
461
470
480
490
500
511
521
531
541
550
561
571
581
591
601
610
621
630
641
651
660
671
680
691
700
710
721
731
740
751
761
770
780
791
801
811
820
831
841
850
861
871
881
890
901
910
920
931
940
950
961
970
981
991
1000
1010

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