4?=16 5?=25 6?=36
7?=49 8?=64 9?=81
10?=100 11?=121 12?=144
13?=169 14?=196 15?=225
16?=256 17?=289 18?=324
19?=361 20?=400
擴展資料其他平方數列舉以下
21? = 441 ,22? = 484, 23? = 529 ,24? = 576, 25? = 625 ,26? = 676, 27? = 729 ,28? = 784 ,29? = 841, 30? = 900,
31? = 961, 32? = 1024, 33? = 1089 ,34? = 1156 ,35? = 1225, 36? = 1296 ,37? = 1369 ,38? = 1444, 39? = 1521 ,40? = 1600,
41? = 1681, 42? = 1764 ,43? = 1849, 44? = 1936, 45? = 2025 ,46? = 2116 ,47? = 2209 ,48? = 2304 ,49? = 2401, 50? = 2500。