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A331701 as a simple table

na(n)
18
29
316
425
532
664
781
8125
9128
10256
11512
121024
132048
144096
155041
168192
1716384
1832768
1965536
20131072
21262144
22524288
231048576
242097152
254194304
268388608
2716777216
2833554432
2967108864
30134217728
31268435456
32536870912
331073741824
342147483648
354294967296
368589934592

[8,9,16,25,32,64,81,125,128,256,512,1024,2048,
 4096,5041,8192,16384,32768,65536,131072,262144,
 524288,1048576,2097152,4194304,8388608,16777216,
 33554432,67108864,134217728,268435456,536870912,
 1073741824,2147483648,4294967296,8589934592]