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A093867 as a simple table

na(n)
14
29
325
425
549
649
7121
8121
9121
10121
11169
12169
13289
14289
15289
16289
17361
18361
19529

[4,9,25,25,49,49,121,121,121,121,169,169,289,289,
 289,289,361,361,529]