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A391066 as a simple table

na(n)
12
22
32
44
54
62
78
88
92
104
1116
122
1332
142
152
1616
1764
182
19128
204
214
2264
23256
242
254
262
272
282
29512
308
311024
3232
332
342
352
362
372048

[2,2,2,4,4,2,8,8,2,4,16,2,32,2,2,16,64,2,128,4,4,
 64,256,2,4,2,2,2,512,8,1024,32,2,2,2,2,2048]