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A296398 as a simple table

na(n)
11
24
324
4444
535561
66200926
73068113721
84427644444522
916720185055951726
10174611744359086830290
115039863866276836681199376

[1,4,24,444,35561,6200926,3068113721,
 4427644444522,16720185055951726,
 174611744359086830290,5039863866276836681199376]