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A299701 as a simple table

na(n)
11
22
32
43
52
64
72
84
93
104
112
125
132
144
154
165
172
186
192
206
214
224
232
246
253
264
274
286
292
307
312
326
334
344
354
367
372
384
394
407
412
428
432
446
456
464
472
487
493
506
514
526
532
548
554
568
574
584
592
608
612
624
635
647
654
668
672
686
694
707
712
728
732
744
756
766
774
788
792
808
815
824
832
849
854
864
874

[1,2,2,3,2,4,2,4,3,4,2,5,2,4,4,5,2,6,2,6,4,4,2,6,
 3,4,4,6,2,7,2,6,4,4,4,7,2,4,4,7,2,8,2,6,6,4,2,7,3,
 6,4,6,2,8,4,8,4,4,2,8,2,4,5,7,4,8,2,6,4,7,2,8,2,4,
 6,6,4,8,2,8,5,4,2,9,4,4,4]