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A152975 as a simple table

na(n)
11
21
33
42
51
63
72
85
93
106
113
121
133
142
155
163
176
183
197
204
219
225
2310
245
259
264
271
283
292
305
313
326
333
347
354
369
375
3810
395
409
414
429
435
4412
457
4615
478
4815
497
5014
517
5215
538
5415
557
5612
575
581
593
602
615
623
636
643
657
664
679
685
6910
705
719
724
739
745
7512
767
7715
788
7915
807
8114
827
8315
848
8515
867
8712
885
8911
906
9115
929
9320
9411
9521

[1,1,3,2,1,3,2,5,3,6,3,1,3,2,5,3,6,3,7,4,9,5,10,5,
 9,4,1,3,2,5,3,6,3,7,4,9,5,10,5,9,4,9,5,12,7,15,8,
 15,7,14,7,15,8,15,7,12,5,1,3,2,5,3,6,3,7,4,9,5,10,
 5,9,4,9,5,12,7,15,8,15,7,14,7,15,8,15,7,12,5,11,6,
 15,9,20,11,21]