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A217209 as a simple table

na(n)
12
22
31
41
54
62
72
86
95
103
111
121
1312
149
156
162
173
1820
1918
2012
216
227
230
240
250
261
2740
2834
2925
3011
3114
321
330
341
352
3674
3771
3847
3924
4028
411
423
432
443
450
460
470
480
490
500
510
520
530
540
550
560
570
580
590
600
610
620
630
640
650
660
670
680
690
700
710
720
730
740
750
760
770
780
790
800
810
820
830
840
850
860
870
880
890
900
910
920
932
941

[2,2,1,1,4,2,2,6,5,3,1,1,12,9,6,2,3,20,18,12,6,7,
 0,0,0,1,40,34,25,11,14,1,0,1,2,74,71,47,24,28,1,3,
 2,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 2,1]