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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A358730 as a simple table

na(n)
11
24
38
416
527
654
781
8162
9243
10486
11729
121458
132187
144374
156561
1613122
1719683
1839366
1959049

[1,4,8,16,27,54,81,162,243,486,729,1458,2187,4374,
 6561,13122,19683,39366,59049]