login

A168231 as a simple table

na(n)
12
23
32
44
54
64
74
84
95
102
114
125
134
144
155
165
174
184
194
205
215
225
235
244
255
264
275
285
295
304
314
325
334
345
355
365
375
385
394
405
415
425
435
444
455
465
475
485
495
504
514
525
535
545
555
565
574
585
595
604
614
625
635
645
655
667
675
684
695
705
715
725
734
744
755
765
775
785
795
805
815
825
837
845
855
867
875
885
897
905
915
925
937
944
955
965
975
985
995
1005
1015
1025
1035
1045
1055

[2,3,2,4,4,4,4,4,5,2,4,5,4,4,5,5,4,4,4,5,5,5,5,4,
 5,4,5,5,5,4,4,5,4,5,5,5,5,5,4,5,5,5,5,4,5,5,5,5,5,
 4,4,5,5,5,5,5,4,5,5,4,4,5,5,5,5,7,5,4,5,5,5,5,4,4,
 5,5,5,5,5,5,5,5,7,5,5,7,5,5,7,5,5,5,7,4,5,5,5,5,5,
 5,5,5,5,5,5]