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A271629 as a simple table

na(n)
10
21
336
481
5100
6144
7289
8441
9784
10900
111225
121296
133025
143600
155041
165625
176400
188100
198649
2010000
2111881
2215625
2315876
2418225
2523716
2636100
2741616
2844100
2950625
3055225
3157600
3262001
3367600
3472900
3578400
3699225
37122500
38129600
39136900
40145161
41168921
42189225

[0,1,36,81,100,144,289,441,784,900,1225,1296,3025,
 3600,5041,5625,6400,8100,8649,10000,11881,15625,
 15876,18225,23716,36100,41616,44100,50625,55225,
 57600,62001,67600,72900,78400,99225,122500,129600,
 136900,145161,168921,189225]