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A065852 as a simple table

na(n)
21
32
43
54
64
75
83
95
104
116
124
136
144
155
165
175
184
196
205
216
225
236
245
256
265
276
285
296
305
316
325
336
346
356
366
376
385
396
406
416
425
436
446
456
466
475
485
496
506
516
526
536
545
556
566
576
585
596
606
616
626
636
646
656
666
676
685
696
706
716
725
736
746
756
766
776
786
796
806
816
826
836
846
856
866
876
886

[1,2,3,4,4,5,3,5,4,6,4,6,4,5,5,5,4,6,5,6,5,6,5,6,
 5,6,5,6,5,6,5,6,6,6,6,6,5,6,6,6,5,6,6,6,6,5,5,6,6,
 6,6,6,5,6,6,6,5,6,6,6,6,6,6,6,6,6,5,6,6,6,5,6,6,6,
 6,6,6,6,6,6,6,6,6,6,6,6,6]