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A128227 as a simple table

na(n)
01
11
21
31
42
51
61
72
83
91
101
112
123
134
141
151
162
173
184
195
201
211
222
233
244
255
266
271
281
292
303
314
325
336
347
351
361
372
383
394
405
416
427
438
441
451
462
473
484
495
506
517
528
539
541
551
562
573
584
595
606
617
628
639
6410
651
661
672
683
694
705
716
727
738
749
7510
7611
771
781
792
803
814
825
836
847
858
869
8710
8811
8912
901

[1,1,1,1,2,1,1,2,3,1,1,2,3,4,1,1,2,3,4,5,1,1,2,3,
 4,5,6,1,1,2,3,4,5,6,7,1,1,2,3,4,5,6,7,8,1,1,2,3,4,
 5,6,7,8,9,1,1,2,3,4,5,6,7,8,9,10,1,1,2,3,4,5,6,7,
 8,9,10,11,1,1,2,3,4,5,6,7,8,9,10,11,12,1]