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A066899 as a simple table

na(n)
11
23
31
44
52
65
71
87
92
103
112
127
132
145
152
167
172
185
192
2010
212
223
233
2415
252
263
272
285
293
303
311
3212
334
345
352
369
372
387
392
4012
413
427
432
448
454
463
472
4816
492
505
513
524
534
549
552
5610
572
583
594
6012
612
625
632
6415
653
663
672
689
695
705
712
7220
732
745
753
768
773
785
792
8015
812
823
835
8412
852

[1,3,1,4,2,5,1,7,2,3,2,7,2,5,2,7,2,5,2,10,2,3,3,
 15,2,3,2,5,3,3,1,12,4,5,2,9,2,7,2,12,3,7,2,8,4,3,
 2,16,2,5,3,4,4,9,2,10,2,3,4,12,2,5,2,15,3,3,2,9,5,
 5,2,20,2,5,3,8,3,5,2,15,2,3,5,12,2]