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A109584 as a simple table

na(n)
11
22
34
416
58
664
716
8256
91296
1016
117776
121024
1364
144096
1546656
1646656
17128
18279936
1965536
20256
211679616
2265536
2310077696
24134217728
25262144
26512
27262144
28512
291048576
30289254654976
314194304
32362797056
332048
34100000000000
352048

[1,2,4,16,8,64,16,256,1296,16,7776,1024,64,4096,
 46656,46656,128,279936,65536,256,1679616,65536,
 10077696,134217728,262144,512,262144,512,1048576,
 289254654976,4194304,362797056,2048,100000000000,
 2048]