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A173528 as a simple table

na(n)
11
22
33
44
55
66
77
88
92
103
114
125
136
147
158
169
173
184
195
206
217
228
239
2410
254
265
276
287
298
309
3110
3211
335
346
357
368
379
3810
3911
4012
416
427
438
449
4510
4611
4712
4813
497
508
519
5210
5311
5412
5513
5614
578
589
5910
6011
6112
6213
6314
6415
652
663
674
685
696
707
718
729
733
744
755
766
777
788
799
8010
814
825
836
847
858
869
8710
8811

[1,2,3,4,5,6,7,8,2,3,4,5,6,7,8,9,3,4,5,6,7,8,9,10,
 4,5,6,7,8,9,10,11,5,6,7,8,9,10,11,12,6,7,8,9,10,
 11,12,13,7,8,9,10,11,12,13,14,8,9,10,11,12,13,14,
 15,2,3,4,5,6,7,8,9,3,4,5,6,7,8,9,10,4,5,6,7,8,9,
 10,11]