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A268103 as a simple table

na(n)
12
29
34
464
581
68
7615
84096
9729
1015
117536
12378225
13262144
146084
1528
16112476
1756791296
18232608375
1915625000
2049284
2151
221981512
2312650850576
24427979206656
25134114290153
26895841344
27386884
2892
2940265487
303926389806144

[2,9,4,64,81,8,615,4096,729,15,7536,378225,262144,
 6084,28,112476,56791296,232608375,15625000,49284,
 51,1981512,12650850576,427979206656,134114290153,
 895841344,386884,92,40265487,3926389806144]