搜索号码
缺氮。  正方形n。

属于这两组的第一个数字:

1,4,9,16,25,49,64,81,121,169,225,256,289,361,441,484,529,625,676,729,841,961,1024,1089,1156,1225,1369,1444,1521,1681,1849,2025,2116,2209,2401,2601,2809,3025,3249,3364,3481,3721,3844,3969,4096,4225,4489,4761,5041,5329,5476,5625,5929,6241,6561,6724,6889,7225,7396,7569,7921,8281,8649,8836,9025,9409,9801,10201,10609,11236,11449,11881,12321,12769,13225,13689,13924,14161,14641,14884,15129,15625,16129,16384,16641,17161,17689,17956,18225,18769,19321,19881,20164,20449,21025,21316,21609,21904,22201,22801,23409,24025,24649,24964,25281,25921,26569,26896,27225,27556,27889,28561,29241,29584,29929,30625,31329,31684,32041,32761,33489,34225,34969,35344,35721,36481,37249,37636,38025,38809,39601,40401,40804,41209,42025,42436,42849,43681,44521,44944,45369,45796,46225,47089,47524,47961,48841,49729,50625,51076,51529,52441,53361,54289,55225,55696,56169,57121,58081,58564,59049,59536,60025,61009,62001,63001,64009,64516,65025,65536,66049,67081,68121,68644,69169,70225,71289,71824,72361,73441,74529,75076,75625,76729,77284,77841,78961,80089,80656,81225,82369,83521,84681,85264,85849,87025,88209,88804,89401,90601,91204,91809,93025,94249,95481,96721,97969,98596,99856,100489,101761,103041,104329,105625,106276,106929,108241,109561,110224,110889,111556,112225,113569,114244,114921,116281,117649,119025,119716,120409,121801,123201,124609,126025,126736,127449,128164,128881,130321,131044,131769,133225,134689,136161,137641,139129,140625,142129,143641,145161,145924,146689,148225,148996,149769,150544,151321,152881,154449,155236,156025,157609,158404,159201,160801,162409,163216,164025,165649,167281,168921,169744,170569,172225,173889,175561,177241,178084,178929,180625.

一些较大的示例: