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A301415 as a simple table

na(n)
13
23
33
43
53
63
74
83
93
105
113
124
134
145
155
165
174
183
194
204
214
226
233
244
255
264
273
284
293
307
315
325
336
349
356
365
378
386
398
408
418
426
436
448
456
465
477
488
499
505
515
527
536
545
556
565
576
585
596
609
619
626
639
649
656
666
677
688
697
707
717
729
735
7410
7510
765
7713
789
799
808
8110
8210
837
8410
858

[3,3,3,3,3,3,4,3,3,5,3,4,4,5,5,5,4,3,4,4,4,6,3,4,
 5,4,3,4,3,7,5,5,6,9,6,5,8,6,8,8,8,6,6,8,6,5,7,8,9,
 5,5,7,6,5,6,5,6,5,6,9,9,6,9,9,6,6,7,8,7,7,7,9,5,
 10,10,5,13,9,9,8,10,10,7,10,8]