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A171977 as a simple table

na(n)
12
24
32
48
52
64
72
816
92
104
112
128
132
144
152
1632
172
184
192
208
212
224
232
2416
252
264
272
288
292
304
312
3264
332
344
352
368
372
384
392
4016
412
424
432
448
452
464
472
4832
492
504
512
528
532
544
552
5616
572
584
592
608
612
624
632

[2,4,2,8,2,4,2,16,2,4,2,8,2,4,2,32,2,4,2,8,2,4,2,
 16,2,4,2,8,2,4,2,64,2,4,2,8,2,4,2,16,2,4,2,8,2,4,
 2,32,2,4,2,8,2,4,2,16,2,4,2,8,2,4,2]