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A141583 as a simple table

na(n)
01
11
21
39
425
581
6289
7961
83249
911025
1037249
11126025
12426409
131442401
144879681
1516507969
1655845729
17188925025
18639128961
192162157001
207314525625
2124744863025
2283711270241
23283193201281
24958035736849
253241011678961

[1,1,1,9,25,81,289,961,3249,11025,37249,126025,
 426409,1442401,4879681,16507969,55845729,
 188925025,639128961,2162157001,7314525625,
 24744863025,83711270241,283193201281,958035736849,
 3241011678961]