Τέλεια τετράγωνα με σταθερή διαφορά.
1 + 24 = 25 + 24 = 49
49 + 120 = 169 + 120 = 289
49 + 140 = 289 + 140 = 529
289 + 336 = 625 + 336 = 961
961 + 720 = 1681 + 720 = 2401
2209 + 2016 = 4225 + 2016 = 6241
2209 + 122400 = 124609 + 122400 = 247009
82369 + 15600 = 97969 + 15600 = 113569
12769 + 100800 = 113569 + 100800 = 214369
49 + 120 = 169 + 120 = 289
49 + 140 = 289 + 140 = 529
289 + 336 = 625 + 336 = 961
961 + 720 = 1681 + 720 = 2401
2209 + 2016 = 4225 + 2016 = 6241
2209 + 122400 = 124609 + 122400 = 247009
82369 + 15600 = 97969 + 15600 = 113569
12769 + 100800 = 113569 + 100800 = 214369
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