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A224353 as a simple table

na(n)
13
26
39
410
536
627
715
8100
9216
1081
1121
12225
13788
141296
15243
1628
17441
182321
195880
207776
21729
2236
23784
245840
2519608
2645064
2746656
282187
2945
301296
3113052
3257387
33160362
34349280
35279936
366561
3755
382025
3926610
40151010
41495985
421351748
432710892
441679616

[3,6,9,10,36,27,15,100,216,81,21,225,788,1296,243,
 28,441,2321,5880,7776,729,36,784,5840,19608,45064,
 46656,2187,45,1296,13052,57387,160362,349280,
 279936,6561,55,2025,26610,151010,495985,1351748,
 2710892,1679616]