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A260998 as a simple table

na(n)
11
22
33
43
53
64
74
84
94
104
115
125
135
145
155
165
175
185
196
206
216
226
236
246
256
266
276
287
297
307
317
327
337
347
357
367
377
387
397
408
417
428
438
448
458
468
478
488
498
508
518
528
538
548
558
569
579
589
599
609
619
629
639
649
659
669
679
689
699
709
719
7210
7310
7410
759
7610
7710
7810
7910
8010
8110
8210
8310
8410
8510
8610
8710
8810
8910
9010

[1,2,3,3,3,4,4,4,4,4,5,5,5,5,5,5,5,5,6,6,6,6,6,6,
 6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,8,7,8,8,8,8,8,8,8,8,
 8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,10,10,
 10,9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10]