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A036449 as a simple table

na(n)
10
21
34
425
5196
61681
72116
818769
9168100
101510441
1113586596
1214577124
1315856324
1416120225
1516289296
1616736281
17150601984
18151782400
191365967681
201368334081
211393379584
221640655025
231649578225
241669212736
251725737764

[0,1,4,25,196,1681,2116,18769,168100,1510441,
 13586596,14577124,15856324,16120225,16289296,
 16736281,150601984,151782400,1365967681,
 1368334081,1393379584,1640655025,1649578225,
 1669212736,1725737764]