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A270920 as a simple table

na(n)
11
22
32
43
53
63
74
82
92
105
115
123
132
143
154
164
173
184
196
203
212
224
233
243
255
265
273
283
294
305
316
327
332
342
354
366
379
389
397
406
413
425
434
444
457
468
476
483
495
507
518
527
537
546
556
565
574
585
597
607
615
625
636
649
655
663
675
684
699
7011
7110
726
732
746
754
763
776
787
795
805

[1,2,2,3,3,3,4,2,2,5,5,3,2,3,4,4,3,4,6,3,2,4,3,3,
 5,5,3,3,4,5,6,7,2,2,4,6,9,9,7,6,3,5,4,4,7,8,6,3,5,
 7,8,7,7,6,6,5,4,5,7,7,5,5,6,9,5,3,5,4,9,11,10,6,2,
 6,4,3,6,7,5,5]