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A273458 as a simple table

na(n)
01
12
22
33
42
52
63
73
82
92
103
112
121
135
144
153
162
171
184
193
203
216
223
232
245
253
269
273
281
291
307
315
323
337
3410
354
366
372
3810
392
406
412
4212
437
442
455
469
473
483
496
5013
513
528
533
5418
553
568
575
587
593
603
615
6213
638
645
653
6619
674
687
697
7016
711
7211
735
7414
757
762
773
7812
795
804

[1,2,2,3,2,2,3,3,2,2,3,2,1,5,4,3,2,1,4,3,3,6,3,2,
 5,3,9,3,1,1,7,5,3,7,10,4,6,2,10,2,6,2,12,7,2,5,9,
 3,3,6,13,3,8,3,18,3,8,5,7,3,3,5,13,8,5,3,19,4,7,7,
 16,1,11,5,14,7,2,3,12,5,4]