login

A213731 as a simple table

na(n)
01
11
20
31
41
50
60
71
81
90
102
111
120
130
140
151
161
170
182
191
200
210
222
231
240
252
261
270
280
290
300
311
321
330
342
351
360
370
382
391
400
412
421
430
440
450
461
472
480
491
502
510
520
531
542
550
562
571
580
590
600
610
620
631
641
650
662
671
680
690
702
711
720
732
741
750
760
770
781
792
800
811
822
830
840
851
862

[1,1,0,1,1,0,0,1,1,0,2,1,0,0,0,1,1,0,2,1,0,0,2,1,
 0,2,1,0,0,0,0,1,1,0,2,1,0,0,2,1,0,2,1,0,0,0,1,2,0,
 1,2,0,0,1,2,0,2,1,0,0,0,0,0,1,1,0,2,1,0,0,2,1,0,2,
 1,0,0,0,1,2,0,1,2,0,0,1,2]