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A164654 as a simple table

na(n)
13
28
36
416
512
632
724
864
948
10128
1196
12256
13192
14512
15384
161024
17768
182048
191536
204096
213072
228192
236144
2416384
2512288
2632768
2724576
2865536
2949152
30131072
3198304
32262144
33196608
34524288
35393216
361048576
37786432
382097152
391572864
404194304
413145728

[3,8,6,16,12,32,24,64,48,128,96,256,192,512,384,
 1024,768,2048,1536,4096,3072,8192,6144,16384,
 12288,32768,24576,65536,49152,131072,98304,262144,
 196608,524288,393216,1048576,786432,2097152,
 1572864,4194304,3145728]