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A147848 as a simple table

na(n)
11
22
32
44
52
64
72
86
92
104
112
128
132
144
154
166
172
184
192
208
214
224
232
2412
252
264
272
288
292
308
312
326
334
344
354
368
372
384
394
4012
412
428
432
448
454
464
472
4812
492
504
514
528
532
544
554
5612
574
584
592
6016
612
624
634
646
654
668
672
688
694
708
712
7212
732
744
754
768
774
788
792
8012
812
824
832
8416
854

[1,2,2,4,2,4,2,6,2,4,2,8,2,4,4,6,2,4,2,8,4,4,2,12,
 2,4,2,8,2,8,2,6,4,4,4,8,2,4,4,12,2,8,2,8,4,4,2,12,
 2,4,4,8,2,4,4,12,4,4,2,16,2,4,4,6,4,8,2,8,4,8,2,
 12,2,4,4,8,4,8,2,12,2,4,2,16,4]