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A217287 as a simple table

na(n)
13
22
33
44
53
62
75
84
93
105
115
124
133
142
153
168
177
186
195
204
213
225
234
243
255
266
275
284
293
302
315
324
333
346
355
369
378
387
396
405
417
426
435
444
453
468
477
486
495
504
513
528
537
546
555
567
577
586
595
604
613
622
637
648
657
666
675
684
693
705
719
728
737
746
755
765
774
783
7911
8010
819
828
837
846
855
8610
879
888
897
906
915
924
933
946
955
969
978
987
999
1008

[3,2,3,4,3,2,5,4,3,5,5,4,3,2,3,8,7,6,5,4,3,5,4,3,
 5,6,5,4,3,2,5,4,3,6,5,9,8,7,6,5,7,6,5,4,3,8,7,6,5,
 4,3,8,7,6,5,7,7,6,5,4,3,2,7,8,7,6,5,4,3,5,9,8,7,6,
 5,5,4,3,11,10,9,8,7,6,5,10,9,8,7,6,5,4,3,6,5,9,8,
 7,9,8]