[1,-25,51,-100,151,-225,301,-400,501,-625,751, -900,1051,-1225,1401,-1600,1801,-2025,2251,-2500, 2751,-3025,3301,-3600,3901,-4225,4551,-4900,5251, -5625,6001,-6400,6801,-7225,7651,-8100,8551,-9025, 9501,-10000,10501]