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A015999 as a simple table

na(n)
11
22
32
43
52
68
72
84
93
108
112
1214
132
148
158
165
172
1814
192
2014
218
228
232
2420
253
268
274
2814
292
3044
312
326
338
348
358
3625
372
388
398
4020
412
4244
432
4414
4514
468
472
4826
493
5014
518
5214
532
5420
558
5620
578
588
592
6080
612
628
6314
647
658
6644
672
6814
698
7044
712
7236
732
748
7514
7614
778
7844
792
8026
815
828
832
8480
858
868

[1,2,2,3,2,8,2,4,3,8,2,14,2,8,8,5,2,14,2,14,8,8,2,
 20,3,8,4,14,2,44,2,6,8,8,8,25,2,8,8,20,2,44,2,14,
 14,8,2,26,3,14,8,14,2,20,8,20,8,8,2,80,2,8,14,7,8,
 44,2,14,8,44,2,36,2,8,14,14,8,44,2,26,5,8,2,80,8,
 8]