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A268246 as a simple table

na(n)
12
29
34
464
581
66
7615
84096
9576
109
117536
12378225
13216000
143969
1512
16112476
1756791296
18197555340
1910941048
2025281
2116
221981512
2312650850576
24371713931400
2598956027822
26519718464
27155236
2820
2940265487
303926389806144
311257212773492866

[2,9,4,64,81,6,615,4096,576,9,7536,378225,216000,
 3969,12,112476,56791296,197555340,10941048,25281,
 16,1981512,12650850576,371713931400,98956027822,
 519718464,155236,20,40265487,3926389806144,
 1257212773492866]