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A060609 as a simple table

na(n)
12
22
34
42
54
64
716
82
94
104
118
124
1316
144
154
168
174
1816
198
208
218
228
2316
2416
2532
2616
2732
288
294
3016
314
3216
3364
348
358
3616
3716
382
3916
408
4116
4216
438
4464
458
4616
4716
488
4916
508
5116
5232
5364
5416
55256
5616
5716
588
5916
6032
618
6216
6332
6432
6532
6616
6732
6832
698
7016
7164
7216
7332
7432
754
768
7764
7832
7964
80128

[2,2,4,2,4,4,16,2,4,4,8,4,16,4,4,8,4,16,8,8,8,8,
 16,16,32,16,32,8,4,16,4,16,64,8,8,16,16,2,16,8,16,
 16,8,64,8,16,16,8,16,8,16,32,64,16,256,16,16,8,16,
 32,8,16,32,32,32,16,32,32,8,16,64,16,32,32,4,8,64,
 32,64,128]