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A111880 as a simple table

na(n)
32
43
54
63
72
85
96
105
114
123
132
147
155
163
178
187
195
204
212
229
237
243
2510
269
278
287
296
305
314
323
332
3411
357
365
3712
3811
3910
409
418
427
436
445
454
463
472
4813
4911
509
515
523
5314
5413
5511
568
577
584
592
6015
6113
6211
639
647
655
663
6716
6815
6914
7013
7112
7211
7310
749
758
767
776
785
794
803
812
8217
8313
8411
857
865
8718
8817
8916
9015
9114
9213
9312

[2,3,4,3,2,5,6,5,4,3,2,7,5,3,8,7,5,4,2,9,7,3,10,9,
 8,7,6,5,4,3,2,11,7,5,12,11,10,9,8,7,6,5,4,3,2,13,
 11,9,5,3,14,13,11,8,7,4,2,15,13,11,9,7,5,3,16,15,
 14,13,12,11,10,9,8,7,6,5,4,3,2,17,13,11,7,5,18,17,
 16,15,14,13,12]