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A208119 as a simple table

na(n)
19
281
3225
4625
53025
614641
753361
8194481
9815409
103418801
1113359025
1252200625
13211266225
14855036081
153400172721
1613521270961
1754243807409
18217611987121
19869173967025
203471607400625
2113896604674225
2255627148806321

[9,81,225,625,3025,14641,53361,194481,815409,
 3418801,13359025,52200625,211266225,855036081,
 3400172721,13521270961,54243807409,217611987121,
 869173967025,3471607400625,13896604674225,
 55627148806321]