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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”).

A240859 as a simple table

na(n)
11
28
327
4125
5216
6512
72744
83375
98000
109261
1135937
1268921
13125000
14157464
15328509
16421875
17474552
18704969
19729000
20970299
211157625
221367631
231685159
242248091
252628072
262803221
273581577
283723875
294741632
305177717
315451776
326751269
337301384
349129329
359938375

[1,8,27,125,216,512,2744,3375,8000,9261,35937,
 68921,125000,157464,328509,421875,474552,704969,
 729000,970299,1157625,1367631,1685159,2248091,
 2628072,2803221,3581577,3723875,4741632,5177717,
 5451776,6751269,7301384,9129329,9938375]