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A117756 as a simple table

na(n)
00
11
24
39
436
564
681
7100
8121
9144
10225
11324
12361
13400
14441
15576
16729
17900
181089
191225
201296
211521
221764
232025
242116
252304
262601
272916
283025
293249
303600
314356
324761
335041
345184
355625
366084
376400
386561
397056
408100
419216
429801
4310000
4410201
4510404
4611025

[0,1,4,9,36,64,81,100,121,144,225,324,361,400,441,
 576,729,900,1089,1225,1296,1521,1764,2025,2116,
 2304,2601,2916,3025,3249,3600,4356,4761,5041,5184,
 5625,6084,6400,6561,7056,8100,9216,9801,10000,
 10201,10404,11025]