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A193199 as a simple table

na(n)
01
11
25
349
41025
542241
63610625
7609251329
8210923290625
9144320565411841
10201501092228890625
11556475188311619534849
123125896980250691972890625
1334751531654955460673195212801
14784223845648499469575195012890625

[1,1,5,49,1025,42241,3610625,609251329,
 210923290625,144320565411841,201501092228890625,
 556475188311619534849,3125896980250691972890625,
 34751531654955460673195212801,
 784223845648499469575195012890625]