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A288531 as a simple table

na(n)
11
22
33
43
51
64
74
82
95
106
115
126
131
143
152
166
174
182
195
207
218
227
235
243
251
264
279
2810
298
309
3110
322
335
346
3511
367
379
387
396
404
411
423
438
4410
4512
4610
478
4811
4912
503
517
529
5313
544
555
5611
5712
587
599
608
611
6213
6314
6415
656
6616
6712
6810
698
7011
716
722
737
749
7516
7617
7713
7814
7913
8011
819
827
8310
844
851
8612
876
888
8914
9015
9117

[1,2,3,3,1,4,4,2,5,6,5,6,1,3,2,6,4,2,5,7,8,7,5,3,
 1,4,9,10,8,9,10,2,5,6,11,7,9,7,6,4,1,3,8,10,12,10,
 8,11,12,3,7,9,13,4,5,11,12,7,9,8,1,13,14,15,6,16,
 12,10,8,11,6,2,7,9,16,17,13,14,13,11,9,7,10,4,1,
 12,6,8,14,15,17]