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A117686 as a simple table

na(n)
00
11
281
3100
4400
5900
61024
71089
81444
91600
102025
112209
122304
132401
142500
152601
162704
172809
183025
193249
203364
213600
224096
234900
245041
256084
266400
277056
288100
298649
309025
319409
329604
339801
3410000
3510201
3610404
3710609
3810816
3911025
4011881
4112100

[0,1,81,100,400,900,1024,1089,1444,1600,2025,2209,
 2304,2401,2500,2601,2704,2809,3025,3249,3364,3600,
 4096,4900,5041,6084,6400,7056,8100,8649,9025,9409,
 9604,9801,10000,10201,10404,10609,10816,11025,
 11881,12100]