login

A213712 as a simple table

na(n)
00
11
22
31
43
51
63
74
81
93
104
113
125
131
143
154
163
174
183
194
204
216
221
233
244
253
264
273
284
294
305
313
324
333
345
353
364
374
387
391
403
414
423
434
443
454
464
475
483
494
503
515
523
534
544
556
563
574
583
595
604
616
626
634
646
655
664
677
688
691
703
714
723
734
743
754
764
775
783
794
803
815
823
834
844
856
863
874
883
895
904
916
926
934
946
955
964
977
987
993
1004
1013
1025
1034
1046
1056
1064
1076
1085
1094
1106
1117
1124
1136
1145
1154
1166
1176
1184
1197

[0,1,2,1,3,1,3,4,1,3,4,3,5,1,3,4,3,4,3,4,4,6,1,3,
 4,3,4,3,4,4,5,3,4,3,5,3,4,4,7,1,3,4,3,4,3,4,4,5,3,
 4,3,5,3,4,4,6,3,4,3,5,4,6,6,4,6,5,4,7,8,1,3,4,3,4,
 3,4,4,5,3,4,3,5,3,4,4,6,3,4,3,5,4,6,6,4,6,5,4,7,7,
 3,4,3,5,4,6,6,4,6,5,4,6,7,4,6,5,4,6,6,4,7]